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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1975 | 21 |
| 1976 | 29 |
| 1977 | 21 |
| 1978 | 28 |
| 1979 | 20 |
| 1980 | 10 |
| 1981 | 13 |
| 1982 | 12 |
| 1983 | 7 |
| 1984 | 9 |
| 1985 | 9 |
| 1986 | 11 |
| 1987 | 17 |
| 1988 | 24 |
| 1989 | 18 |
| 1990 | 18 |
| 1991 | 22 |
| 1992 | 13 |
| 1993 | 17 |
| 1994 | 19 |
| 1995 | 21 |
| 2009 | 87 |
| 2010 | 76 |
| 2011 | 81 |
| 2012 | 77 |
| 2013 | 83 |
| 2014 | 89 |
| 2015 | 97 |
| 2016 | 99 |
| 2017 | 92 |
| 2018 | 135 |
| 2019 | 83 |
| 2020 | 56 |
| 2021 | 64 |
| 2022 | 62 |
| 2023 | 65 |
| 2024 | 41 |