| Class | Donors | Total Participation | Gifts to Annual Fund | Total Gifts |
| 1948 | 1 | 16.67% | $3,000.00 | $3,000.00 |
| 1949 | 4 | 30.77% | $499.00 | $499.00 |
| 1950 | 13 | 32.50% | $18,665.22 | $14,911.56 |
| 1951 | 12 | 30.77% | $28,770.97 | $28,770.97 |
| 1952 | 9 | 33.33% | $6,426.00 | $6,426.00 |
| 1953 | 17 | 38.64% | $28,500.00 | $28,500.00 |
| 1954 | 14 | 25.93% | $32,550.00 | $32,550.00 |
| 1955 | 29 | 43.28% | $50,930.53 | $51,430.53 |
| 1956 | 36 | 42.35% | $142,705.42 | $142,705.42 |
| 1957 | 45 | 54.88% | $173,179.58 | $173,229.58 |
| 1958 | 28 | 41.18% | $92,800.00 | $92,800.00 |
| 1959 | 54 | 46.15% | $162,009.00 | $682,009.00 |
| 1960 | 51 | 45.13% | $160,200.00 | $160,200.00 |
| 1961 | 60 | 47.24% | $59,086.65 | $59,086.65 |
| 1962 | 65 | 53.28% | $148,363.00 | $185,463.62 |
| 1963 | 93 | 51.96% | $121,046.72 | $121,046.72 |
| 1964 | 57 | 39.04% | $111,561.16 | $381,461.16 |
| 1965 | 77 | 46.39% | $266,958.28 | $265,958.28 |
| 1966 | 59 | 35.98% | $31,272.16 | $36,272.16 |
| 1967 | 78 | 46.43% | $196,876.00 | $296,876.00 |
| 1968 | 89 | 44.95% | $141,784.00 | $170,508.00 |
| 1969 | 92 | 40.71% | $153,074.28 | $158,109.28 |
| 1970 | 86 | 37.89% | $110,262.00 | $110,262.00 |
| 1971 | 98 | 44.14% | $384,973.73 | $385,273.73 |
| 1972 | 89 | 39.91% | $109,266.96 | $99,366.96 |
| 1973 | 119 | 45.59% | $144,915.85 | $195,015.85 |
| 1974 | 116 | 43.28% | $336,373.43 | $336,823.43 |
| 1975 | 105 | 37.91% | $253,461.35 | $278,461.35 |
| 1976 | 107 | 37.28% | $153,126.89 | $155,126.89 |
| 1977 | 113 | 40.21% | $217,942.25 | $221,542.25 |
| 1978 | 101 | 33.78% | $108,545.06 | $114,045.06 |
| 1979 | 127 | 40.84% | $1,623,324.80 | $3,748,975.00 |
| 1980 | 108 | 33.03% | $223,735.54 | $494,301.06 |
| 1981 | 114 | 31.84% | $891,686.42 | $894,336.42 |
| 1982 | 132 | 34.46% | $272,919.48 | $290,919.48 |
| 1983 | 127 | 37.13% | $348,226.70 | $363,226.70 |
| 1984 | 118 | 30.33% | $922,803.75 | $936,413.67 |
| 1985 | 105 | 29.91% | $159,323.15 | $169,773.15 |
| 1986 | 118 | 28.37% | $198,996.40 | $202,820.40 |
| 1987 | 124 | 33.24% | $31,560.60 | $382,776.20 |
| 1988 | 138 | 36.03% | $131,661.62 | $142,636.62 |
| 1989 | 108 | 27.76% | $325,254.60 | $345,754.60 |
| 1990 | 97 | 23.77% | $230,435.77 | $290,435.77 |
| 1991 | 84 | 17.18% | $428,980.97 | $452,980.97 |
| 1992 | 96 | 19.71% | $212,825.00 | $242,775.00 |
| 1993 | 104 | 22.96% | $101,115.95 | $102,115.95 |
| 1994 | 89 | 25.36% | $71,754.00 | $72,754.00 |
| 1995 | 77 | 17.78% | $176,499.09 | $1,345,865.09 |
| 1996 | 80 | 15.90% | $65,667.46 | $66,167.46 |
| 1997 | 59 | 12.61% | $132,739.30 | $128,739.30 |
| 1998 | 76 | 16.63% | $77,710.14 | $77,710.14 |
| 1999 | 67 | 15.12% | $46,230.28 | $46,890.48 |
| 2000 | 69 | 14.53% | $72,475.75 | $72,475.75 |
| 2001 | 74 | 15.55% | $63,181.21 | $66,931.21 |
| 2002 | 77 | 14.98% | $123,031.38 | $128,181.38 |
| 2003 | 123 | 23.47% | $108,236.03 | $162,236.03 |
| 2004 | 108 | 21.39% | $81,627.62 | $95,127.62 |
| 2005 | 85 | 16.90% | $28,546.00 | $37,046.00 |
| 2006 | 93 | 18.09% | $41,087.02 | $43,162.02 |
| 2007 | 96 | 18.64% | $33,776.46 | $33,876.46 |
| 2008 | 120 | 22.14% | $43,026.49 | $45,026.49 |
| 2009 | 104 | 19.73% | $41,247.66 | $41,247.66 |
| 2010 | 109 | 19.02% | $33,512.63 | $34,012.63 |
| 2011 | 102 | 20.86% | $20,769.92 | $20,769.92 |
| 2012 | 109 | 20.04% | $46,206.87 | $46,206.87 |
| 2013 | 124 | 23.85% | $16,725.98 | $16,851.02 |
| 2014 | 105 | 18.32% | $29,402.29 | $35,007.29 |
| 2015 | 98 | 17.63% | $13,909.19 | $14,109.19 |
| 2016 | 119 | 22.16% | $31,719.91 | $31,719.91 |
| 2017 | 88 | 15.58% | $16,948.44 | $17,448.44 |
| 2018 | 157 | 27.40% | $8,800.02 | $9,050.02 |
| 2019 | 111 | 18.75% | $10,758.38 | $10,758.38 |
| 2020 | 105 | 17.86% | $14,571.50 | $14,746.50 |
| 2021 | 91 | 16.19% | $3,426.84 | $3,426.84 |
| 2022 | 94 | 14.40% | $5,287.44 | $5,287.44 |
| 2023 | 242 | 39.74% | $7,493.12 | $7,493.12 |