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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 1 |
| 1966 | 3 |
| 1967 | 5 |
| 1968 | 8 |
| 1969 | 13 |
| 1970 | 12 |
| 1971 | 46 |
| 1972 | 103 |
| 1973 | 141 |
| 1974 | 179 |
| 1975 | 211 |
| 1976 | 246 |
| 1977 | 227 |
| 1978 | 273 |
| 1979 | 208 |
| 1980 | 223 |
| 1981 | 205 |
| 1982 | 227 |
| 1983 | 177 |
| 1984 | 182 |
| 1985 | 197 |
| 1986 | 167 |
| 1987 | 145 |
| 1988 | 119 |
| 1989 | 167 |
| 1990 | 169 |
| 1991 | 149 |
| 1992 | 145 |
| 1993 | 200 |
| 1994 | 183 |
| 1995 | 190 |
| 1996 | 231 |
| 1997 | 254 |
| 1998 | 323 |
| 1999 | 391 |
| 2000 | 476 |
| 2001 | 643 |
| 2002 | 725 |
| 2003 | 901 |
| 2004 | 994 |
| 2005 | 914 |
| 2006 | 894 |
| 2007 | 967 |
| 2008 | 962 |
| 2009 | 1108 |
| 2010 | 1280 |
| 2011 | 1412 |
| 2012 | 1420 |
| 2013 | 1466 |
| 2014 | 1334 |
| 2015 | 1323 |
| 2016 | 1344 |
| 2017 | 1432 |
| 2018 | 1297 |
| 2019 | 1348 |
| 2020 | 1312 |
| 2021 | 1243 |
| 2022 | 707 |
| 2023 | 586 |
| 2024 | 374 |