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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 3 |
| 1958 | 2 |
| 1959 | 1 |
| 1960 | 4 |
| 1961 | 6 |
| 1962 | 11 |
| 1963 | 6 |
| 1964 | 4 |
| 1965 | 8 |
| 1966 | 6 |
| 1967 | 7 |
| 1968 | 28 |
| 1969 | 22 |
| 1970 | 22 |
| 1971 | 26 |
| 1972 | 25 |
| 1973 | 26 |
| 1974 | 28 |
| 1975 | 31 |
| 1976 | 37 |
| 1977 | 58 |
| 1978 | 45 |
| 1979 | 47 |
| 1980 | 35 |
| 1981 | 44 |
| 1982 | 62 |
| 1983 | 85 |
| 1984 | 66 |
| 1985 | 90 |
| 1986 | 93 |
| 1987 | 106 |
| 1988 | 118 |
| 1989 | 112 |
| 1990 | 113 |
| 1991 | 129 |
| 1992 | 177 |
| 1993 | 193 |
| 1994 | 201 |
| 1995 | 239 |
| 1996 | 271 |
| 1997 | 309 |
| 1998 | 404 |
| 1999 | 468 |
| 2000 | 609 |
| 2001 | 686 |
| 2002 | 801 |
| 2003 | 953 |
| 2004 | 1196 |
| 2005 | 1380 |
| 2006 | 1588 |
| 2007 | 1850 |
| 2008 | 2136 |
| 2009 | 2340 |
| 2010 | 2848 |
| 2011 | 3339 |
| 2012 | 3803 |
| 2013 | 4118 |
| 2014 | 4449 |
| 2015 | 4593 |
| 2016 | 4631 |
| 2017 | 4672 |
| 2018 | 4868 |
| 2019 | 5077 |
| 2020 | 5649 |
| 2021 | 6011 |
| 2022 | 5733 |
| 2023 | 5646 |
| 2024 | 5558 |
| 2025 | 6020 |
| 2026 | 886 |