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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 1 |
| 1959 | 4 |
| 1960 | 14 |
| 1961 | 13 |
| 1962 | 17 |
| 1966 | 9 |
| 1967 | 13 |
| 1968 | 15 |
| 1969 | 17 |
| 1970 | 14 |
| 1971 | 15 |
| 1972 | 7 |
| 1973 | 3 |
| 1974 | 4 |
| 1975 | 7 |
| 1976 | 13 |
| 1977 | 6 |
| 1978 | 21 |
| 1979 | 40 |
| 1980 | 40 |
| 1981 | 22 |
| 1982 | 56 |
| 1983 | 44 |
| 1984 | 70 |
| 1985 | 59 |
| 1986 | 73 |
| 1987 | 76 |
| 1988 | 145 |
| 1989 | 286 |
| 1990 | 567 |
| 1991 | 790 |
| 1992 | 1011 |
| 1993 | 1105 |
| 1994 | 1048 |
| 1995 | 986 |
| 1996 | 1022 |
| 1997 | 1211 |
| 1998 | 1409 |
| 1999 | 1654 |
| 2000 | 1594 |
| 2001 | 1815 |
| 2002 | 1788 |
| 2003 | 2231 |
| 2004 | 2480 |
| 2005 | 2481 |
| 2006 | 2726 |
| 2007 | 3047 |
| 2008 | 3439 |
| 2009 | 3724 |
| 2010 | 4317 |
| 2011 | 4812 |
| 2012 | 5900 |
| 2013 | 6579 |
| 2014 | 6909 |
| 2015 | 7375 |
| 2016 | 7385 |
| 2017 | 8184 |
| 2018 | 9466 |
| 2019 | 10099 |
| 2020 | 9050 |
| 2021 | 5670 |
| 2022 | 774 |
| 2023 | 794 |
| 2024 | 10416 |
| 2025 | 7021 |