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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1957 | 2 |
| 1958 | 28 |
| 1959 | 26 |
| 1960 | 29 |
| 1961 | 26 |
| 1962 | 50 |
| 1963 | 109 |
| 1964 | 119 |
| 1965 | 80 |
| 1966 | 64 |
| 1967 | 80 |
| 1968 | 75 |
| 1969 | 97 |
| 1970 | 98 |
| 1971 | 110 |
| 1972 | 123 |
| 1973 | 189 |
| 1974 | 245 |
| 1975 | 247 |
| 1976 | 202 |
| 1977 | 190 |
| 1978 | 211 |
| 1979 | 200 |
| 1980 | 224 |
| 1981 | 222 |
| 1982 | 250 |
| 1983 | 287 |
| 1984 | 315 |
| 1985 | 337 |
| 1986 | 342 |
| 1987 | 364 |
| 1988 | 370 |
| 1989 | 389 |
| 1990 | 428 |
| 1991 | 515 |
| 1992 | 526 |
| 1993 | 554 |
| 1994 | 575 |
| 1995 | 533 |
| 1996 | 556 |
| 1997 | 549 |
| 1998 | 588 |
| 1999 | 558 |
| 2000 | 665 |
| 2001 | 603 |
| 2002 | 609 |
| 2003 | 678 |
| 2004 | 710 |
| 2005 | 728 |
| 2006 | 863 |
| 2007 | 766 |
| 2008 | 820 |
| 2009 | 830 |
| 2010 | 856 |
| 2011 | 927 |
| 2012 | 896 |
| 2013 | 945 |
| 2014 | 1011 |
| 2015 | 994 |
| 2016 | 952 |
| 2017 | 952 |
| 2018 | 1030 |
| 2019 | 1053 |
| 2020 | 1256 |
| 2021 | 1506 |
| 2022 | 1331 |
| 2023 | 1194 |
| 2024 | 1139 |
| 2025 | 1409 |
| 2026 | 1067 |