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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1957 | 1 |
| 1958 | 1 |
| 1961 | 1 |
| 1962 | 4 |
| 1963 | 3 |
| 1965 | 1 |
| 1966 | 5 |
| 1967 | 3 |
| 1968 | 3 |
| 1969 | 2 |
| 1970 | 3 |
| 1971 | 1 |
| 1972 | 5 |
| 1973 | 3 |
| 1974 | 2 |
| 1975 | 3 |
| 1976 | 4 |
| 1977 | 6 |
| 1978 | 5 |
| 1979 | 9 |
| 1980 | 21 |
| 1981 | 19 |
| 1982 | 15 |
| 1983 | 17 |
| 1984 | 16 |
| 1985 | 23 |
| 1986 | 15 |
| 1987 | 18 |
| 1988 | 17 |
| 1989 | 31 |
| 1990 | 27 |
| 1991 | 25 |
| 1992 | 30 |
| 1993 | 44 |
| 1994 | 48 |
| 1995 | 57 |
| 1996 | 58 |
| 1997 | 96 |
| 1998 | 123 |
| 1999 | 121 |
| 2000 | 203 |
| 2001 | 208 |
| 2002 | 275 |
| 2003 | 317 |
| 2004 | 371 |
| 2005 | 499 |
| 2006 | 612 |
| 2007 | 678 |
| 2008 | 763 |
| 2009 | 894 |
| 2010 | 1144 |
| 2011 | 1273 |
| 2012 | 1402 |
| 2013 | 1448 |
| 2014 | 1554 |
| 2015 | 1759 |
| 2016 | 1820 |
| 2017 | 1790 |
| 2018 | 1783 |
| 2019 | 1852 |
| 2020 | 2045 |
| 2021 | 2234 |
| 2022 | 2003 |
| 2023 | 1929 |
| 2024 | 944 |