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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 2 |
| 1957 | 3 |
| 1958 | 6 |
| 1959 | 3 |
| 1960 | 1 |
| 1961 | 4 |
| 1962 | 1 |
| 1966 | 10 |
| 1967 | 9 |
| 1968 | 25 |
| 1969 | 48 |
| 1970 | 37 |
| 1971 | 40 |
| 1972 | 48 |
| 1973 | 50 |
| 1974 | 48 |
| 1975 | 45 |
| 1976 | 24 |
| 1977 | 42 |
| 1978 | 34 |
| 1979 | 48 |
| 1980 | 34 |
| 1981 | 24 |
| 1982 | 30 |
| 1983 | 36 |
| 1984 | 32 |
| 1985 | 35 |
| 1986 | 54 |
| 1987 | 37 |
| 1988 | 44 |
| 1989 | 60 |
| 1990 | 44 |
| 1991 | 50 |
| 1992 | 61 |
| 1993 | 58 |
| 1994 | 105 |
| 1995 | 96 |
| 1996 | 77 |
| 1997 | 105 |
| 1998 | 80 |
| 1999 | 93 |
| 2000 | 105 |
| 2001 | 140 |
| 2002 | 90 |
| 2003 | 116 |
| 2004 | 109 |
| 2005 | 141 |
| 2006 | 157 |
| 2007 | 155 |
| 2008 | 172 |
| 2009 | 201 |
| 2010 | 202 |
| 2011 | 180 |
| 2012 | 221 |
| 2013 | 250 |
| 2014 | 324 |
| 2015 | 334 |
| 2016 | 387 |
| 2017 | 392 |
| 2018 | 436 |
| 2019 | 481 |
| 2020 | 536 |
| 2021 | 639 |
| 2022 | 591 |
| 2023 | 176 |
| 2024 | 363 |
| 2025 | 297 |