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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1958 | 1 |
| 1959 | 1 |
| 1960 | 1 |
| 1965 | 1 |
| 1966 | 2 |
| 1967 | 10 |
| 1968 | 11 |
| 1969 | 9 |
| 1970 | 15 |
| 1971 | 10 |
| 1972 | 13 |
| 1973 | 28 |
| 1974 | 57 |
| 1975 | 71 |
| 1976 | 79 |
| 1977 | 91 |
| 1978 | 65 |
| 1979 | 85 |
| 1980 | 67 |
| 1981 | 59 |
| 1982 | 57 |
| 1983 | 106 |
| 1984 | 68 |
| 1985 | 88 |
| 1986 | 61 |
| 1987 | 73 |
| 1988 | 79 |
| 1989 | 68 |
| 1990 | 76 |
| 1991 | 77 |
| 1992 | 88 |
| 1993 | 71 |
| 1994 | 81 |
| 1995 | 83 |
| 1996 | 85 |
| 1997 | 84 |
| 1998 | 109 |
| 1999 | 95 |
| 2000 | 75 |
| 2001 | 66 |
| 2002 | 99 |
| 2003 | 87 |
| 2004 | 79 |
| 2005 | 99 |
| 2006 | 119 |
| 2007 | 108 |
| 2008 | 97 |
| 2009 | 185 |
| 2010 | 139 |
| 2011 | 101 |
| 2012 | 180 |
| 2013 | 188 |
| 2014 | 172 |
| 2015 | 214 |
| 2016 | 177 |
| 2017 | 160 |
| 2018 | 153 |
| 2019 | 171 |
| 2020 | 142 |
| 2021 | 114 |
| 2022 | 12 |
| 2023 | 5 |
| 2024 | 129 |
| 2025 | 118 |