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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1958 | 1 |
| 1959 | 1 |
| 1960 | 5 |
| 1961 | 3 |
| 1962 | 1 |
| 1963 | 5 |
| 1964 | 14 |
| 1965 | 25 |
| 1966 | 21 |
| 1967 | 32 |
| 1968 | 52 |
| 1969 | 45 |
| 1970 | 52 |
| 1971 | 67 |
| 1972 | 58 |
| 1973 | 59 |
| 1974 | 70 |
| 1975 | 83 |
| 1976 | 87 |
| 1977 | 83 |
| 1978 | 99 |
| 1979 | 136 |
| 1980 | 117 |
| 1981 | 122 |
| 1982 | 155 |
| 1983 | 142 |
| 1984 | 162 |
| 1985 | 219 |
| 1986 | 228 |
| 1987 | 221 |
| 1988 | 271 |
| 1989 | 274 |
| 1990 | 287 |
| 1991 | 307 |
| 1992 | 325 |
| 1993 | 337 |
| 1994 | 359 |
| 1995 | 379 |
| 1996 | 432 |
| 1997 | 510 |
| 1998 | 545 |
| 1999 | 603 |
| 2000 | 514 |
| 2001 | 620 |
| 2002 | 605 |
| 2003 | 597 |
| 2004 | 536 |
| 2005 | 634 |
| 2006 | 692 |
| 2007 | 650 |
| 2008 | 671 |
| 2009 | 648 |
| 2010 | 693 |
| 2011 | 708 |
| 2012 | 741 |
| 2013 | 774 |
| 2014 | 872 |
| 2015 | 821 |
| 2016 | 806 |
| 2017 | 876 |
| 2018 | 907 |
| 2019 | 1013 |
| 2020 | 1146 |
| 2021 | 1154 |
| 2022 | 1222 |
| 2023 | 1060 |
| 2024 | 1086 |
| 2025 | 623 |