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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1955 | 1 |
| 1956 | 1 |
| 1957 | 2 |
| 1958 | 2 |
| 1959 | 2 |
| 1961 | 1 |
| 1962 | 3 |
| 1963 | 1 |
| 1964 | 3 |
| 1965 | 2 |
| 1979 | 2 |
| 1980 | 12 |
| 1981 | 47 |
| 1982 | 89 |
| 1983 | 105 |
| 1984 | 128 |
| 1985 | 178 |
| 1986 | 264 |
| 1987 | 302 |
| 1988 | 383 |
| 1989 | 491 |
| 1990 | 627 |
| 1991 | 821 |
| 1992 | 922 |
| 1993 | 1171 |
| 1994 | 1387 |
| 1995 | 1518 |
| 1996 | 1690 |
| 1997 | 1675 |
| 1998 | 1859 |
| 1999 | 1902 |
| 2000 | 2101 |
| 2001 | 2266 |
| 2002 | 2325 |
| 2003 | 2503 |
| 2004 | 2854 |
| 2005 | 3056 |
| 2006 | 3231 |
| 2007 | 3246 |
| 2008 | 3423 |
| 2009 | 3567 |
| 2010 | 3760 |
| 2011 | 4012 |
| 2012 | 4037 |
| 2013 | 4002 |
| 2014 | 3921 |
| 2015 | 3787 |
| 2016 | 3524 |
| 2017 | 3298 |
| 2018 | 3195 |
| 2019 | 3006 |
| 2020 | 3046 |
| 2021 | 2595 |
| 2022 | 2089 |
| 2023 | 1744 |
| 2024 | 534 |