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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 2 |
| 1964 | 4 |
| 1965 | 36 |
| 1966 | 92 |
| 1967 | 79 |
| 1968 | 86 |
| 1969 | 99 |
| 1970 | 61 |
| 1971 | 85 |
| 1972 | 85 |
| 1973 | 76 |
| 1974 | 71 |
| 1975 | 71 |
| 1976 | 96 |
| 1977 | 84 |
| 1978 | 74 |
| 1979 | 84 |
| 1980 | 93 |
| 1981 | 88 |
| 1982 | 90 |
| 1983 | 98 |
| 1984 | 104 |
| 1985 | 133 |
| 1986 | 135 |
| 1987 | 134 |
| 1988 | 126 |
| 1989 | 155 |
| 1990 | 127 |
| 1991 | 157 |
| 1992 | 152 |
| 1993 | 184 |
| 1994 | 183 |
| 1995 | 244 |
| 1996 | 236 |
| 1997 | 228 |
| 1998 | 288 |
| 1999 | 286 |
| 2000 | 298 |
| 2001 | 329 |
| 2002 | 405 |
| 2003 | 559 |
| 2004 | 531 |
| 2005 | 519 |
| 2006 | 642 |
| 2007 | 716 |
| 2008 | 745 |
| 2009 | 792 |
| 2010 | 897 |
| 2011 | 1032 |
| 2012 | 1152 |
| 2013 | 1206 |
| 2014 | 1355 |
| 2015 | 1510 |
| 2016 | 1495 |
| 2017 | 1633 |
| 2018 | 1797 |
| 2019 | 2064 |
| 2020 | 2393 |
| 2021 | 2531 |
| 2022 | 1661 |
| 2023 | 1459 |
| 2024 | 1029 |