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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 25 |
| 1965 | 44 |
| 1966 | 39 |
| 1967 | 63 |
| 1968 | 56 |
| 1969 | 70 |
| 1970 | 89 |
| 1971 | 79 |
| 1972 | 86 |
| 1973 | 74 |
| 1974 | 85 |
| 1975 | 117 |
| 1976 | 90 |
| 1977 | 88 |
| 1978 | 85 |
| 1979 | 78 |
| 1980 | 71 |
| 1981 | 82 |
| 1982 | 83 |
| 1983 | 80 |
| 1984 | 77 |
| 1985 | 78 |
| 1986 | 71 |
| 1987 | 74 |
| 1988 | 69 |
| 1989 | 71 |
| 1990 | 68 |
| 1991 | 69 |
| 1992 | 67 |
| 1993 | 69 |
| 1994 | 68 |
| 1995 | 65 |
| 1996 | 80 |
| 1997 | 80 |
| 1998 | 76 |
| 1999 | 89 |
| 2000 | 89 |
| 2001 | 106 |
| 2002 | 95 |
| 2003 | 98 |
| 2004 | 104 |
| 2005 | 80 |
| 2006 | 74 |
| 2007 | 139 |
| 2008 | 143 |
| 2009 | 178 |
| 2010 | 176 |
| 2011 | 239 |
| 2012 | 188 |
| 2013 | 152 |
| 2014 | 225 |
| 2015 | 230 |
| 2016 | 224 |
| 2017 | 244 |
| 2018 | 194 |
| 2019 | 216 |
| 2020 | 277 |
| 2021 | 283 |
| 2022 | 288 |
| 2023 | 344 |
| 2024 | 177 |