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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 52 |
| 1962 | 77 |
| 1963 | 59 |
| 1964 | 77 |
| 1965 | 69 |
| 1966 | 58 |
| 1967 | 84 |
| 1968 | 119 |
| 1969 | 136 |
| 1970 | 118 |
| 1971 | 138 |
| 1972 | 146 |
| 1973 | 136 |
| 1974 | 159 |
| 1975 | 166 |
| 1976 | 179 |
| 1977 | 193 |
| 1978 | 196 |
| 1979 | 190 |
| 1980 | 191 |
| 1981 | 198 |
| 1982 | 193 |
| 1983 | 222 |
| 1984 | 230 |
| 1985 | 235 |
| 1986 | 228 |
| 1987 | 211 |
| 1988 | 218 |
| 1989 | 211 |
| 1990 | 206 |
| 1991 | 205 |
| 1992 | 217 |
| 1993 | 165 |
| 1994 | 186 |
| 1995 | 160 |
| 1996 | 163 |
| 1997 | 182 |
| 1998 | 165 |
| 1999 | 187 |
| 2000 | 161 |
| 2001 | 143 |
| 2002 | 168 |
| 2003 | 214 |
| 2004 | 204 |
| 2005 | 229 |
| 2006 | 290 |
| 2007 | 338 |
| 2008 | 350 |
| 2009 | 327 |
| 2010 | 374 |
| 2011 | 374 |
| 2012 | 364 |
| 2013 | 399 |
| 2014 | 362 |
| 2015 | 363 |
| 2016 | 347 |
| 2017 | 408 |
| 2018 | 403 |
| 2019 | 330 |
| 2020 | 293 |
| 2021 | 205 |
| 2022 | 152 |
| 2023 | 165 |
| 2024 | 92 |