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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 1 |
| 1951 | 1 |
| 1952 | 2 |
| 1953 | 1 |
| 1954 | 2 |
| 1957 | 1 |
| 1959 | 1 |
| 1960 | 4 |
| 1961 | 3 |
| 1962 | 1 |
| 1964 | 1 |
| 1965 | 1 |
| 1968 | 1 |
| 1970 | 2 |
| 1971 | 13 |
| 1972 | 50 |
| 1973 | 80 |
| 1974 | 89 |
| 1975 | 102 |
| 1976 | 67 |
| 1977 | 66 |
| 1978 | 67 |
| 1979 | 81 |
| 1980 | 72 |
| 1981 | 76 |
| 1982 | 96 |
| 1983 | 86 |
| 1984 | 92 |
| 1985 | 80 |
| 1986 | 108 |
| 1987 | 186 |
| 1988 | 126 |
| 1989 | 145 |
| 1990 | 137 |
| 1991 | 135 |
| 1992 | 160 |
| 1993 | 163 |
| 1994 | 168 |
| 1995 | 190 |
| 1996 | 188 |
| 1997 | 218 |
| 1998 | 206 |
| 1999 | 228 |
| 2000 | 252 |
| 2001 | 248 |
| 2002 | 321 |
| 2003 | 359 |
| 2004 | 379 |
| 2005 | 405 |
| 2006 | 430 |
| 2007 | 469 |
| 2008 | 476 |
| 2009 | 528 |
| 2010 | 542 |
| 2011 | 498 |
| 2012 | 557 |
| 2013 | 570 |
| 2014 | 574 |
| 2015 | 534 |
| 2016 | 527 |
| 2017 | 539 |
| 2018 | 481 |
| 2019 | 478 |
| 2020 | 467 |
| 2021 | 520 |
| 2022 | 429 |
| 2023 | 484 |
| 2024 | 459 |
| 2025 | 203 |