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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1956 | 1 |
| 1957 | 1 |
| 1958 | 2 |
| 1959 | 1 |
| 1960 | 2 |
| 1962 | 1 |
| 1963 | 2 |
| 1964 | 1 |
| 1965 | 2 |
| 1968 | 2 |
| 1969 | 4 |
| 1971 | 2 |
| 1973 | 2 |
| 1975 | 1 |
| 1976 | 4 |
| 1977 | 2 |
| 1978 | 7 |
| 1979 | 8 |
| 1980 | 13 |
| 1981 | 23 |
| 1982 | 29 |
| 1983 | 32 |
| 1984 | 42 |
| 1985 | 35 |
| 1986 | 42 |
| 1987 | 47 |
| 1988 | 57 |
| 1989 | 61 |
| 1990 | 61 |
| 1991 | 67 |
| 1992 | 55 |
| 1993 | 88 |
| 1994 | 102 |
| 1995 | 102 |
| 1996 | 110 |
| 1997 | 136 |
| 1998 | 150 |
| 1999 | 174 |
| 2000 | 178 |
| 2001 | 252 |
| 2002 | 228 |
| 2003 | 263 |
| 2004 | 291 |
| 2005 | 339 |
| 2006 | 371 |
| 2007 | 416 |
| 2008 | 466 |
| 2009 | 538 |
| 2010 | 632 |
| 2011 | 733 |
| 2012 | 815 |
| 2013 | 915 |
| 2014 | 1029 |
| 2015 | 1084 |
| 2016 | 1228 |
| 2017 | 1416 |
| 2018 | 1594 |
| 2019 | 1865 |
| 2020 | 2294 |
| 2021 | 2871 |
| 2022 | 2863 |
| 2023 | 2874 |
| 2024 | 2260 |
| 2025 | 2 |