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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 1 |
| 1961 | 45 |
| 1962 | 96 |
| 1963 | 57 |
| 1964 | 72 |
| 1965 | 62 |
| 1966 | 40 |
| 1967 | 93 |
| 1968 | 70 |
| 1969 | 98 |
| 1970 | 107 |
| 1971 | 77 |
| 1972 | 96 |
| 1973 | 85 |
| 1974 | 81 |
| 1975 | 98 |
| 1976 | 107 |
| 1977 | 165 |
| 1978 | 128 |
| 1979 | 98 |
| 1980 | 98 |
| 1981 | 105 |
| 1982 | 152 |
| 1983 | 142 |
| 1984 | 134 |
| 1985 | 212 |
| 1986 | 139 |
| 1987 | 173 |
| 1988 | 177 |
| 1989 | 195 |
| 1990 | 183 |
| 1991 | 161 |
| 1992 | 158 |
| 1993 | 168 |
| 1994 | 177 |
| 1995 | 192 |
| 1996 | 235 |
| 1997 | 322 |
| 1998 | 252 |
| 1999 | 211 |
| 2000 | 194 |
| 2001 | 199 |
| 2002 | 182 |
| 2003 | 207 |
| 2004 | 147 |
| 2005 | 148 |
| 2006 | 153 |
| 2007 | 177 |
| 2008 | 157 |
| 2009 | 152 |
| 2010 | 240 |
| 2011 | 96 |
| 2012 | 125 |
| 2013 | 117 |
| 2014 | 88 |
| 2015 | 78 |
| 2016 | 86 |
| 2017 | 76 |
| 2018 | 77 |
| 2019 | 99 |
| 2020 | 99 |
| 2021 | 90 |
| 2022 | 84 |
| 2023 | 77 |
| 2024 | 74 |
| 2025 | 108 |
| 2026 | 89 |