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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1965 | 5 |
| 1966 | 19 |
| 1967 | 31 |
| 1968 | 33 |
| 1969 | 21 |
| 1970 | 39 |
| 1971 | 36 |
| 1972 | 30 |
| 1973 | 56 |
| 1974 | 61 |
| 1975 | 55 |
| 1976 | 29 |
| 1977 | 68 |
| 1978 | 51 |
| 1979 | 16 |
| 1982 | 51 |
| 1983 | 71 |
| 1984 | 78 |
| 1985 | 85 |
| 1986 | 83 |
| 1987 | 52 |
| 1988 | 57 |
| 1989 | 121 |
| 1990 | 32 |
| 2001 | 9 |
| 2002 | 11 |
| 2003 | 8 |
| 2004 | 13 |
| 2005 | 13 |
| 2006 | 9 |
| 2007 | 9 |
| 2008 | 11 |
| 2009 | 17 |
| 2010 | 28 |
| 2011 | 69 |
| 2012 | 72 |
| 2013 | 83 |
| 2014 | 87 |
| 2015 | 78 |
| 2016 | 102 |
| 2017 | 97 |
| 2018 | 105 |
| 2019 | 117 |
| 2020 | 142 |
| 2021 | 155 |
| 2022 | 154 |
| 2023 | 164 |
| 2024 | 114 |