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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 1 |
| 1966 | 6 |
| 1967 | 19 |
| 1968 | 23 |
| 1969 | 49 |
| 1970 | 86 |
| 1971 | 109 |
| 1972 | 81 |
| 1973 | 39 |
| 1974 | 78 |
| 1975 | 1 |
| 1977 | 2 |
| 1978 | 74 |
| 1979 | 177 |
| 1980 | 133 |
| 1981 | 138 |
| 1982 | 165 |
| 1983 | 202 |
| 1984 | 308 |
| 1985 | 313 |
| 1986 | 306 |
| 1987 | 261 |
| 1988 | 263 |
| 1989 | 282 |
| 1990 | 336 |
| 1991 | 365 |
| 1992 | 288 |
| 1993 | 343 |
| 1994 | 269 |
| 1995 | 300 |
| 1996 | 352 |
| 1997 | 300 |
| 1998 | 318 |
| 1999 | 230 |
| 2000 | 346 |
| 2001 | 350 |
| 2002 | 343 |
| 2003 | 377 |
| 2004 | 407 |
| 2005 | 481 |
| 2006 | 579 |
| 2007 | 759 |
| 2008 | 797 |
| 2009 | 833 |
| 2010 | 841 |
| 2011 | 894 |
| 2012 | 902 |
| 2013 | 844 |
| 2014 | 966 |
| 2015 | 937 |
| 2016 | 949 |
| 2017 | 903 |
| 2018 | 746 |
| 2019 | 718 |
| 2020 | 595 |
| 2021 | 409 |
| 2022 | 257 |
| 2023 | 195 |
| 2024 | 87 |