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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1964 | 2 |
| 1965 | 13 |
| 1966 | 31 |
| 1967 | 49 |
| 1968 | 46 |
| 1969 | 63 |
| 1970 | 55 |
| 1971 | 76 |
| 1972 | 57 |
| 1973 | 76 |
| 1974 | 107 |
| 1975 | 86 |
| 1976 | 63 |
| 1977 | 115 |
| 1978 | 89 |
| 1979 | 120 |
| 1980 | 122 |
| 1981 | 131 |
| 1982 | 109 |
| 1983 | 143 |
| 1984 | 105 |
| 1985 | 145 |
| 1986 | 120 |
| 1987 | 146 |
| 1988 | 178 |
| 1989 | 177 |
| 1990 | 225 |
| 1991 | 246 |
| 1992 | 266 |
| 1993 | 314 |
| 1994 | 385 |
| 1995 | 391 |
| 1996 | 404 |
| 1997 | 458 |
| 1998 | 461 |
| 1999 | 497 |
| 2000 | 556 |
| 2001 | 453 |
| 2002 | 569 |
| 2003 | 683 |
| 2004 | 642 |
| 2005 | 706 |
| 2006 | 820 |
| 2007 | 987 |
| 2008 | 1014 |
| 2009 | 1010 |
| 2010 | 1132 |
| 2011 | 1305 |
| 2012 | 1369 |
| 2013 | 1454 |
| 2014 | 1494 |
| 2015 | 1528 |
| 2016 | 1790 |
| 2017 | 1774 |
| 2018 | 1822 |
| 2019 | 1996 |
| 2020 | 2048 |
| 2021 | 2138 |
| 2022 | 1817 |
| 2023 | 1701 |
| 2024 | 2033 |
| 2025 | 1785 |
| 2026 | 45 |