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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1961 | 1 |
| 1963 | 1 |
| 1964 | 2 |
| 1966 | 3 |
| 1967 | 3 |
| 1968 | 1 |
| 1971 | 4 |
| 1972 | 7 |
| 1973 | 7 |
| 1974 | 8 |
| 1975 | 8 |
| 1976 | 15 |
| 1977 | 19 |
| 1978 | 14 |
| 1979 | 24 |
| 1980 | 22 |
| 1981 | 17 |
| 1982 | 25 |
| 1983 | 28 |
| 1984 | 41 |
| 1985 | 51 |
| 1986 | 51 |
| 1987 | 58 |
| 1988 | 79 |
| 1989 | 60 |
| 1990 | 95 |
| 1991 | 98 |
| 1992 | 109 |
| 1993 | 111 |
| 1994 | 138 |
| 1995 | 133 |
| 1996 | 122 |
| 1997 | 152 |
| 1998 | 164 |
| 1999 | 185 |
| 2000 | 210 |
| 2001 | 214 |
| 2002 | 236 |
| 2003 | 278 |
| 2004 | 340 |
| 2005 | 621 |
| 2006 | 768 |
| 2007 | 814 |
| 2008 | 976 |
| 2009 | 985 |
| 2010 | 1142 |
| 2011 | 1243 |
| 2012 | 1262 |
| 2013 | 1292 |
| 2014 | 1412 |
| 2015 | 1543 |
| 2016 | 1325 |
| 2017 | 1208 |
| 2018 | 1632 |
| 2019 | 1603 |
| 2020 | 1879 |
| 2021 | 2056 |
| 2022 | 1952 |
| 2023 | 1784 |
| 2024 | 506 |