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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 1 |
| 1960 | 1 |
| 1961 | 1 |
| 1962 | 1 |
| 1963 | 2 |
| 1964 | 2 |
| 1969 | 2 |
| 1970 | 2 |
| 1971 | 2 |
| 1972 | 14 |
| 1973 | 44 |
| 1974 | 42 |
| 1975 | 49 |
| 1976 | 50 |
| 1977 | 65 |
| 1978 | 66 |
| 1979 | 105 |
| 1980 | 99 |
| 1981 | 84 |
| 1982 | 73 |
| 1983 | 139 |
| 1984 | 174 |
| 1985 | 152 |
| 1986 | 165 |
| 1987 | 230 |
| 1988 | 276 |
| 1989 | 281 |
| 1990 | 353 |
| 1991 | 365 |
| 1992 | 393 |
| 1993 | 383 |
| 1994 | 511 |
| 1995 | 489 |
| 1996 | 664 |
| 1997 | 856 |
| 1998 | 974 |
| 1999 | 1158 |
| 2000 | 1261 |
| 2001 | 1138 |
| 2002 | 1398 |
| 2003 | 1540 |
| 2004 | 1875 |
| 2005 | 2405 |
| 2006 | 2501 |
| 2007 | 2506 |
| 2008 | 2513 |
| 2009 | 2686 |
| 2010 | 2710 |
| 2011 | 2793 |
| 2012 | 3002 |
| 2013 | 3309 |
| 2014 | 3339 |
| 2015 | 3168 |
| 2016 | 2857 |
| 2017 | 2738 |
| 2018 | 2772 |
| 2019 | 3044 |
| 2020 | 2721 |
| 2021 | 2391 |
| 2022 | 962 |
| 2023 | 826 |
| 2024 | 1378 |
| 2025 | 23 |