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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 2 |
| 1964 | 1 |
| 1965 | 36 |
| 1966 | 78 |
| 1967 | 84 |
| 1968 | 70 |
| 1969 | 84 |
| 1970 | 133 |
| 1971 | 132 |
| 1972 | 134 |
| 1973 | 135 |
| 1974 | 141 |
| 1975 | 120 |
| 1976 | 125 |
| 1977 | 160 |
| 1978 | 139 |
| 1979 | 131 |
| 1980 | 148 |
| 1981 | 127 |
| 1982 | 111 |
| 1983 | 149 |
| 1984 | 137 |
| 1985 | 154 |
| 1986 | 196 |
| 1987 | 194 |
| 1988 | 171 |
| 1989 | 229 |
| 1990 | 280 |
| 1991 | 281 |
| 1992 | 235 |
| 1993 | 238 |
| 1994 | 318 |
| 1995 | 277 |
| 1996 | 318 |
| 1997 | 323 |
| 1998 | 309 |
| 1999 | 357 |
| 2000 | 414 |
| 2001 | 421 |
| 2002 | 409 |
| 2003 | 453 |
| 2004 | 450 |
| 2005 | 545 |
| 2006 | 593 |
| 2007 | 600 |
| 2008 | 680 |
| 2009 | 749 |
| 2010 | 877 |
| 2011 | 913 |
| 2012 | 939 |
| 2013 | 1019 |
| 2014 | 897 |
| 2015 | 901 |
| 2016 | 845 |
| 2017 | 842 |
| 2018 | 801 |
| 2019 | 748 |
| 2020 | 679 |
| 2021 | 506 |
| 2022 | 386 |
| 2023 | 336 |
| 2024 | 440 |
| 2025 | 311 |