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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 3 |
| 1962 | 1 |
| 1963 | 3 |
| 1964 | 10 |
| 1965 | 113 |
| 1966 | 154 |
| 1967 | 149 |
| 1968 | 162 |
| 1969 | 183 |
| 1970 | 140 |
| 1971 | 171 |
| 1972 | 167 |
| 1973 | 197 |
| 1974 | 145 |
| 1975 | 183 |
| 1976 | 220 |
| 1977 | 224 |
| 1978 | 178 |
| 1979 | 227 |
| 1980 | 225 |
| 1981 | 218 |
| 1982 | 288 |
| 1983 | 307 |
| 1984 | 308 |
| 1985 | 330 |
| 1986 | 362 |
| 1987 | 409 |
| 1988 | 497 |
| 1989 | 593 |
| 1990 | 731 |
| 1991 | 643 |
| 1992 | 737 |
| 1993 | 874 |
| 1994 | 837 |
| 1995 | 1206 |
| 1996 | 1498 |
| 1997 | 1676 |
| 1998 | 2120 |
| 1999 | 2303 |
| 2000 | 2474 |
| 2001 | 2621 |
| 2002 | 2810 |
| 2003 | 2998 |
| 2004 | 3126 |
| 2005 | 3253 |
| 2006 | 3344 |
| 2007 | 3445 |
| 2008 | 3578 |
| 2009 | 3810 |
| 2010 | 3902 |
| 2011 | 4178 |
| 2012 | 4270 |
| 2013 | 4523 |
| 2014 | 4967 |
| 2015 | 4908 |
| 2016 | 4453 |
| 2017 | 4321 |
| 2018 | 4350 |
| 2019 | 4357 |
| 2020 | 7914 |
| 2021 | 6616 |
| 2022 | 6931 |
| 2023 | 6116 |
| 2024 | 5183 |
| 2025 | 3059 |