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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 9 |
| 1964 | 36 |
| 1965 | 63 |
| 1966 | 42 |
| 1967 | 50 |
| 1968 | 73 |
| 1969 | 87 |
| 1970 | 93 |
| 1971 | 101 |
| 1972 | 98 |
| 1973 | 107 |
| 1974 | 97 |
| 1975 | 110 |
| 1976 | 95 |
| 1977 | 87 |
| 1978 | 83 |
| 1979 | 83 |
| 1980 | 90 |
| 1981 | 88 |
| 1982 | 120 |
| 1983 | 144 |
| 1984 | 193 |
| 1985 | 161 |
| 1986 | 141 |
| 1987 | 128 |
| 1988 | 125 |
| 1989 | 138 |
| 1990 | 125 |
| 1991 | 121 |
| 1992 | 106 |
| 1993 | 97 |
| 1994 | 102 |
| 1995 | 105 |
| 1996 | 81 |
| 1997 | 88 |
| 1998 | 108 |
| 1999 | 81 |
| 2000 | 103 |
| 2001 | 109 |
| 2002 | 107 |
| 2003 | 137 |
| 2004 | 141 |
| 2005 | 157 |
| 2006 | 176 |
| 2007 | 183 |
| 2008 | 174 |
| 2009 | 195 |
| 2010 | 206 |
| 2011 | 183 |
| 2012 | 205 |
| 2013 | 190 |
| 2014 | 224 |
| 2015 | 202 |
| 2016 | 198 |
| 2017 | 206 |
| 2018 | 190 |
| 2019 | 196 |
| 2020 | 210 |
| 2021 | 213 |
| 2022 | 209 |
| 2023 | 165 |
| 2024 | 59 |