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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 8 |
| 1948 | 4 |
| 1949 | 1 |
| 1950 | 2 |
| 1951 | 1 |
| 1952 | 1 |
| 1953 | 1 |
| 1955 | 6 |
| 1956 | 4 |
| 1957 | 2 |
| 1958 | 2 |
| 1959 | 1 |
| 1960 | 3 |
| 1961 | 2 |
| 1962 | 3 |
| 1963 | 2 |
| 1964 | 3 |
| 1965 | 5 |
| 1966 | 2 |
| 1967 | 4 |
| 1968 | 3 |
| 1970 | 8 |
| 1971 | 3 |
| 1972 | 4 |
| 1973 | 4 |
| 1974 | 8 |
| 1975 | 1 |
| 1976 | 4 |
| 1977 | 4 |
| 1978 | 2 |
| 1979 | 8 |
| 1980 | 11 |
| 1981 | 3 |
| 1982 | 14 |
| 1983 | 15 |
| 1984 | 12 |
| 1985 | 22 |
| 1986 | 23 |
| 1987 | 33 |
| 1988 | 48 |
| 1989 | 44 |
| 1990 | 57 |
| 1991 | 53 |
| 1992 | 84 |
| 1993 | 76 |
| 1994 | 106 |
| 1995 | 116 |
| 1996 | 117 |
| 1997 | 162 |
| 1998 | 157 |
| 1999 | 193 |
| 2000 | 232 |
| 2001 | 253 |
| 2002 | 280 |
| 2003 | 395 |
| 2004 | 470 |
| 2005 | 620 |
| 2006 | 718 |
| 2007 | 791 |
| 2008 | 987 |
| 2009 | 1192 |
| 2010 | 1427 |
| 2011 | 1703 |
| 2012 | 2019 |
| 2013 | 2521 |
| 2014 | 2921 |
| 2015 | 3266 |
| 2016 | 3530 |
| 2017 | 3815 |
| 2018 | 4537 |
| 2019 | 5448 |
| 2020 | 6893 |
| 2021 | 7879 |
| 2022 | 9621 |
| 2023 | 4615 |