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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 3 |
| 1967 | 20 |
| 1968 | 38 |
| 1969 | 68 |
| 1970 | 48 |
| 1971 | 57 |
| 1972 | 42 |
| 1973 | 86 |
| 1974 | 88 |
| 1975 | 50 |
| 1976 | 49 |
| 1977 | 50 |
| 1978 | 39 |
| 1979 | 85 |
| 1980 | 84 |
| 1981 | 87 |
| 1982 | 102 |
| 1983 | 111 |
| 1984 | 127 |
| 1985 | 138 |
| 1986 | 128 |
| 1987 | 118 |
| 1988 | 160 |
| 1989 | 172 |
| 1990 | 210 |
| 1991 | 249 |
| 1992 | 196 |
| 1993 | 212 |
| 1994 | 233 |
| 1995 | 239 |
| 1996 | 162 |
| 1997 | 189 |
| 1998 | 208 |
| 1999 | 213 |
| 2000 | 228 |
| 2001 | 250 |
| 2002 | 286 |
| 2003 | 321 |
| 2004 | 275 |
| 2005 | 285 |
| 2006 | 308 |
| 2007 | 300 |
| 2008 | 359 |
| 2009 | 317 |
| 2010 | 376 |
| 2011 | 413 |
| 2012 | 553 |
| 2013 | 569 |
| 2014 | 618 |
| 2015 | 726 |
| 2016 | 689 |
| 2017 | 654 |
| 2018 | 666 |
| 2019 | 689 |
| 2020 | 486 |
| 2021 | 315 |
| 2022 | 50 |
| 2023 | 8 |
| 2024 | 43 |