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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1958 | 4 |
| 1959 | 7 |
| 1960 | 17 |
| 1961 | 17 |
| 1962 | 23 |
| 1963 | 43 |
| 1964 | 44 |
| 1965 | 50 |
| 1966 | 39 |
| 1967 | 44 |
| 1968 | 48 |
| 1969 | 54 |
| 1970 | 53 |
| 1971 | 60 |
| 1972 | 85 |
| 1973 | 80 |
| 1974 | 64 |
| 1975 | 64 |
| 1976 | 92 |
| 1977 | 87 |
| 1978 | 75 |
| 1979 | 97 |
| 1980 | 87 |
| 1981 | 95 |
| 1982 | 69 |
| 1983 | 89 |
| 1984 | 95 |
| 1985 | 85 |
| 1986 | 82 |
| 1987 | 68 |
| 1988 | 68 |
| 1989 | 73 |
| 1990 | 72 |
| 1991 | 66 |
| 1992 | 60 |
| 1993 | 51 |
| 1994 | 47 |
| 1995 | 68 |
| 1996 | 57 |
| 1997 | 53 |
| 1998 | 69 |
| 1999 | 62 |
| 2000 | 61 |
| 2001 | 62 |
| 2002 | 70 |
| 2003 | 111 |
| 2004 | 163 |
| 2005 | 256 |
| 2006 | 338 |
| 2007 | 258 |
| 2008 | 268 |
| 2009 | 251 |
| 2010 | 210 |
| 2011 | 225 |
| 2012 | 197 |
| 2013 | 184 |
| 2014 | 178 |
| 2015 | 176 |
| 2016 | 157 |
| 2017 | 148 |
| 2018 | 154 |
| 2019 | 153 |
| 2020 | 165 |
| 2021 | 126 |
| 2022 | 130 |
| 2023 | 129 |
| 2024 | 93 |