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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 1 |
| 1962 | 2 |
| 1967 | 2 |
| 1968 | 2 |
| 1969 | 3 |
| 1972 | 1 |
| 1974 | 1 |
| 1975 | 4 |
| 1976 | 1 |
| 1977 | 11 |
| 1978 | 17 |
| 1979 | 38 |
| 1980 | 27 |
| 1981 | 19 |
| 1982 | 30 |
| 1983 | 35 |
| 1984 | 32 |
| 1985 | 28 |
| 1986 | 32 |
| 1987 | 29 |
| 1988 | 20 |
| 1989 | 53 |
| 1990 | 78 |
| 1991 | 104 |
| 1992 | 109 |
| 1993 | 128 |
| 1994 | 110 |
| 1995 | 101 |
| 1996 | 112 |
| 1997 | 122 |
| 1998 | 134 |
| 1999 | 137 |
| 2000 | 144 |
| 2001 | 154 |
| 2002 | 203 |
| 2003 | 205 |
| 2004 | 220 |
| 2005 | 179 |
| 2006 | 184 |
| 2007 | 186 |
| 2008 | 168 |
| 2009 | 171 |
| 2010 | 190 |
| 2011 | 198 |
| 2012 | 226 |
| 2013 | 176 |
| 2014 | 204 |
| 2015 | 225 |
| 2016 | 181 |
| 2017 | 214 |
| 2018 | 218 |
| 2019 | 243 |
| 2020 | 197 |
| 2021 | 85 |
| 2022 | 14 |
| 2023 | 12 |
| 2024 | 145 |
| 2025 | 128 |