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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1950 | 1 |
| 1952 | 1 |
| 1962 | 1 |
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 1 |
| 1966 | 1 |
| 1967 | 1 |
| 1968 | 1 |
| 1969 | 2 |
| 1970 | 5 |
| 1971 | 2 |
| 1972 | 5 |
| 1973 | 4 |
| 1974 | 6 |
| 1975 | 5 |
| 1976 | 11 |
| 1977 | 6 |
| 1978 | 9 |
| 1979 | 10 |
| 1980 | 10 |
| 1981 | 10 |
| 1982 | 13 |
| 1983 | 24 |
| 1984 | 10 |
| 1985 | 18 |
| 1986 | 22 |
| 1987 | 18 |
| 1988 | 30 |
| 1989 | 26 |
| 1990 | 31 |
| 1991 | 41 |
| 1992 | 50 |
| 1993 | 52 |
| 1994 | 56 |
| 1995 | 65 |
| 1996 | 96 |
| 1997 | 81 |
| 1998 | 94 |
| 1999 | 106 |
| 2000 | 121 |
| 2001 | 125 |
| 2002 | 146 |
| 2003 | 191 |
| 2004 | 183 |
| 2005 | 218 |
| 2006 | 257 |
| 2007 | 229 |
| 2008 | 259 |
| 2009 | 253 |
| 2010 | 287 |
| 2011 | 331 |
| 2012 | 340 |
| 2013 | 398 |
| 2014 | 397 |
| 2015 | 447 |
| 2016 | 477 |
| 2017 | 482 |
| 2018 | 549 |
| 2019 | 521 |
| 2020 | 682 |
| 2021 | 763 |
| 2022 | 735 |
| 2023 | 667 |
| 2024 | 634 |
| 2025 | 486 |