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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1965 | 1 |
| 1966 | 1 |
| 1967 | 5 |
| 1968 | 3 |
| 1969 | 1 |
| 1970 | 10 |
| 1972 | 12 |
| 1973 | 21 |
| 1974 | 37 |
| 1975 | 71 |
| 1976 | 120 |
| 1977 | 223 |
| 1978 | 201 |
| 1979 | 298 |
| 1980 | 329 |
| 1981 | 321 |
| 1982 | 338 |
| 1983 | 379 |
| 1984 | 462 |
| 1985 | 530 |
| 1986 | 628 |
| 1987 | 676 |
| 1988 | 704 |
| 1989 | 802 |
| 1990 | 1202 |
| 1991 | 1569 |
| 1992 | 1860 |
| 1993 | 1917 |
| 1994 | 1941 |
| 1995 | 1851 |
| 1996 | 1628 |
| 1997 | 1758 |
| 1998 | 1774 |
| 1999 | 1901 |
| 2000 | 1850 |
| 2001 | 1817 |
| 2002 | 1797 |
| 2003 | 1849 |
| 2004 | 1977 |
| 2005 | 2119 |
| 2006 | 2252 |
| 2007 | 2390 |
| 2008 | 2442 |
| 2009 | 2601 |
| 2010 | 2820 |
| 2011 | 3104 |
| 2012 | 3114 |
| 2013 | 3199 |
| 2014 | 3151 |
| 2015 | 3089 |
| 2016 | 2869 |
| 2017 | 2873 |
| 2018 | 2837 |
| 2019 | 2845 |
| 2020 | 3391 |
| 2021 | 3963 |
| 2022 | 910 |
| 2023 | 138 |
| 2024 | 26 |