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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1953 | 1 |
| 1954 | 2 |
| 1956 | 1 |
| 1957 | 1 |
| 1961 | 2 |
| 1962 | 2 |
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 1 |
| 1966 | 2 |
| 1967 | 6 |
| 1969 | 1 |
| 1970 | 2 |
| 1971 | 5 |
| 1972 | 7 |
| 1973 | 2 |
| 1974 | 1 |
| 1975 | 5 |
| 1976 | 5 |
| 1977 | 5 |
| 1978 | 12 |
| 1979 | 3 |
| 1980 | 8 |
| 1981 | 12 |
| 1982 | 10 |
| 1983 | 10 |
| 1984 | 15 |
| 1985 | 13 |
| 1986 | 19 |
| 1987 | 18 |
| 1988 | 22 |
| 1989 | 33 |
| 1990 | 27 |
| 1991 | 34 |
| 1992 | 37 |
| 1993 | 35 |
| 1994 | 38 |
| 1995 | 47 |
| 1996 | 34 |
| 1997 | 52 |
| 1998 | 66 |
| 1999 | 65 |
| 2000 | 70 |
| 2001 | 76 |
| 2002 | 68 |
| 2003 | 99 |
| 2004 | 96 |
| 2005 | 104 |
| 2006 | 122 |
| 2007 | 129 |
| 2008 | 167 |
| 2009 | 201 |
| 2010 | 219 |
| 2011 | 286 |
| 2012 | 328 |
| 2013 | 362 |
| 2014 | 411 |
| 2015 | 473 |
| 2016 | 537 |
| 2017 | 602 |
| 2018 | 647 |
| 2019 | 766 |
| 2020 | 971 |
| 2021 | 1387 |
| 2022 | 1486 |
| 2023 | 337 |