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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1922 | 2 |
| 1923 | 1 |
| 1948 | 1 |
| 1950 | 1 |
| 1957 | 1 |
| 1958 | 3 |
| 1959 | 2 |
| 1960 | 4 |
| 1961 | 3 |
| 1962 | 7 |
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 3 |
| 1966 | 8 |
| 1967 | 4 |
| 1968 | 4 |
| 1969 | 3 |
| 1970 | 2 |
| 1971 | 4 |
| 1972 | 4 |
| 1973 | 4 |
| 1974 | 9 |
| 1975 | 6 |
| 1976 | 3 |
| 1977 | 5 |
| 1978 | 6 |
| 1979 | 12 |
| 1980 | 21 |
| 1981 | 23 |
| 1982 | 39 |
| 1983 | 32 |
| 1984 | 47 |
| 1985 | 50 |
| 1986 | 77 |
| 1987 | 82 |
| 1988 | 100 |
| 1989 | 124 |
| 1990 | 148 |
| 1991 | 173 |
| 1992 | 199 |
| 1993 | 230 |
| 1994 | 285 |
| 1995 | 291 |
| 1996 | 344 |
| 1997 | 398 |
| 1998 | 393 |
| 1999 | 461 |
| 2000 | 573 |
| 2001 | 617 |
| 2002 | 724 |
| 2003 | 984 |
| 2004 | 1222 |
| 2005 | 1545 |
| 2006 | 1769 |
| 2007 | 2020 |
| 2008 | 2312 |
| 2009 | 2692 |
| 2010 | 3132 |
| 2011 | 3839 |
| 2012 | 4463 |
| 2013 | 5270 |
| 2014 | 6138 |
| 2015 | 6799 |
| 2016 | 7366 |
| 2017 | 8035 |
| 2018 | 9046 |
| 2019 | 10585 |
| 2020 | 12723 |
| 2021 | 14495 |
| 2022 | 16938 |
| 2023 | 7556 |