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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1953 | 1 |
| 1956 | 2 |
| 1957 | 2 |
| 1958 | 3 |
| 1959 | 3 |
| 1960 | 4 |
| 1961 | 1 |
| 1962 | 3 |
| 1963 | 3 |
| 1964 | 2 |
| 1965 | 1 |
| 1966 | 4 |
| 1968 | 4 |
| 1969 | 6 |
| 1970 | 1 |
| 1971 | 8 |
| 1972 | 9 |
| 1973 | 7 |
| 1974 | 9 |
| 1975 | 11 |
| 1976 | 8 |
| 1977 | 9 |
| 1978 | 10 |
| 1979 | 9 |
| 1980 | 14 |
| 1981 | 18 |
| 1982 | 18 |
| 1983 | 20 |
| 1984 | 14 |
| 1985 | 20 |
| 1986 | 17 |
| 1987 | 23 |
| 1988 | 37 |
| 1989 | 23 |
| 1990 | 35 |
| 1991 | 40 |
| 1992 | 50 |
| 1993 | 62 |
| 1994 | 70 |
| 1995 | 93 |
| 1996 | 109 |
| 1997 | 132 |
| 1998 | 136 |
| 1999 | 131 |
| 2000 | 157 |
| 2001 | 180 |
| 2002 | 187 |
| 2003 | 285 |
| 2004 | 318 |
| 2005 | 408 |
| 2006 | 460 |
| 2007 | 464 |
| 2008 | 603 |
| 2009 | 635 |
| 2010 | 780 |
| 2011 | 932 |
| 2012 | 1100 |
| 2013 | 1301 |
| 2014 | 1452 |
| 2015 | 1614 |
| 2016 | 1718 |
| 2017 | 1878 |
| 2018 | 2144 |
| 2019 | 2375 |
| 2020 | 2838 |
| 2021 | 3169 |
| 2022 | 3667 |
| 2023 | 1678 |