Number of Days Images Taken per Year
| Year | Average Images Per Day | Days | Days in Year | Percentage |
| 2099 | 1.0000 | 1 | 365 | 0.3% |
| 2009 | 1348.9242 | 343 | 343 | 100.0% |
| 2008 | 1151.6940 | 366 | 366 | 100.0% |
| 2007 | 883.6603 | 365 | 365 | 100.0% |
| 2006 | 556.8904 | 365 | 365 | 100.0% |
| 2005 | 255.2329 | 365 | 365 | 100.0% |
| 2004 | 53.8087 | 366 | 366 | 100.0% |
| 2003 | 31.1753 | 365 | 365 | 100.0% |
| 2002 | 18.3983 | 359 | 365 | 98.4% |
| 2001 | 10.8820 | 339 | 365 | 92.9% |
| 2000 | 7.9909 | 330 | 366 | 90.2% |
| 1999 | 5.9932 | 293 | 365 | 80.3% |
| 1998 | 4.0514 | 253 | 365 | 69.3% |
| 1997 | 3.4932 | 219 | 365 | 60.0% |
| 1996 | 4.4796 | 221 | 366 | 60.4% |
| 1995 | 3.8977 | 215 | 365 | 58.9% |
| 1994 | 3.2280 | 193 | 365 | 52.9% |
| 1993 | 3.9565 | 184 | 365 | 50.4% |
| 1992 | 4.4105 | 190 | 366 | 51.9% |
| 1991 | 3.7604 | 217 | 365 | 59.5% |
| 1990 | 5.0735 | 204 | 365 | 55.9% |
| 1989 | 3.8780 | 205 | 365 | 56.2% |
| 1988 | 3.9239 | 184 | 366 | 50.3% |
| 1987 | 3.8065 | 186 | 365 | 51.0% |
| 1986 | 3.1716 | 169 | 365 | 46.3% |
| 1985 | 2.8323 | 167 | 365 | 45.8% |
| 1984 | 3.2938 | 160 | 366 | 43.7% |
| 1983 | 4.0000 | 171 | 365 | 46.8% |
| 1982 | 2.9481 | 154 | 365 | 42.2% |
| 1981 | 3.3878 | 147 | 365 | 40.3% |
| 1980 | 3.7500 | 152 | 366 | 41.5% |
| 1979 | 4.1895 | 153 | 365 | 41.9% |
| 1978 | 3.4530 | 117 | 365 | 32.1% |
| 1977 | 4.0183 | 109 | 365 | 29.9% |
| 1976 | 3.3239 | 71 | 366 | 19.4% |
| 1975 | 2.0725 | 69 | 365 | 18.9% |
| 1974 | 3.1753 | 97 | 365 | 26.6% |
| 1973 | 2.8923 | 65 | 365 | 17.8% |
| 1972 | 2.5942 | 69 | 366 | 18.9% |
| 1971 | 2.8864 | 44 | 365 | 12.1% |
| 1970 | 1.9783 | 46 | 365 | 12.6% |
| 1969 | 2.6842 | 38 | 365 | 10.4% |
| 1968 | 2.2105 | 38 | 366 | 10.4% |
| 1967 | 1.9459 | 37 | 365 | 10.1% |
| 1966 | 1.7561 | 41 | 365 | 11.2% |
| 1965 | 1.4857 | 35 | 365 | 9.6% |
| 1964 | 1.6389 | 36 | 366 | 9.8% |
| 1963 | 1.4000 | 30 | 365 | 8.2% |
| 1962 | 4.0455 | 22 | 365 | 6.0% |
| 1961 | 2.7500 | 16 | 365 | 4.4% |
| 1960 | 3.5625 | 16 | 366 | 4.4% |
| 1959 | 4.2143 | 14 | 365 | 3.8% |
| 1958 | 1.1818 | 11 | 365 | 3.0% |
| 1957 | 2.3333 | 15 | 365 | 4.1% |
| 1956 | 1.5294 | 17 | 366 | 4.6% |
| 1955 | 2.2857 | 14 | 365 | 3.8% |
| 1954 | 1.0000 | 5 | 365 | 1.4% |
| 1953 | 1.4286 | 7 | 365 | 1.9% |
| 1952 | 1.0000 | 3 | 366 | 0.8% |
| 1951 | 1.6471 | 17 | 365 | 4.7% |
| 1950 | 1.3333 | 9 | 365 | 2.5% |
| 1949 | 1.3750 | 8 | 365 | 2.2% |
| 1948 | 2.0000 | 1 | 366 | 0.3% |
| 1947 | 2.0000 | 1 | 365 | 0.3% |
| 1946 | 1.0000 | 1 | 365 | 0.3% |
| 1945 | 1.0000 | 1 | 365 | 0.3% |
| 1943 | 1.0000 | 1 | 365 | 0.3% |
| 1940 | 1.0000 | 1 | 366 | 0.3% |
| 1938 | 2.0000 | 1 | 365 | 0.3% |
| 1937 | 1.0000 | 1 | 365 | 0.3% |
| 1933 | 1.0000 | 1 | 365 | 0.3% |
| 1931 | 1.0000 | 1 | 365 | 0.3% |
| 1930 | 2.0000 | 1 | 365 | 0.3% |
| 1927 | 1.0000 | 2 | 365 | 0.5% |
| 1926 | 1.0000 | 1 | 365 | 0.3% |
| 1925 | 1.0000 | 3 | 365 | 0.8% |
| 1920 | 1.5000 | 2 | 366 | 0.5% |
| 1918 | 1.0000 | 1 | 365 | 0.3% |
| 1917 | 1.0000 | 1 | 365 | 0.3% |
| 1911 | 2.0000 | 1 | 365 | 0.3% |
| 1910 | 1.0000 | 1 | 365 | 0.3% |
| 1908 | 1.0000 | 1 | 366 | 0.3% |
| 1903 | 1.0000 | 1 | 365 | 0.3% |
| 1900 | 1.0000 | 1 | 365 | 0.3% |
| 1891 | 1.0000 | 1 | 365 | 0.3% |
The Percentage column is the number of days in that year that we do have photos for (taking into account leap years ;)
