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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 2 |
| 1950 | 6 |
| 1951 | 6 |
| 1952 | 9 |
| 1953 | 9 |
| 1954 | 8 |
| 1955 | 7 |
| 1956 | 9 |
| 1957 | 12 |
| 1958 | 4 |
| 1959 | 8 |
| 1960 | 10 |
| 1961 | 7 |
| 1962 | 13 |
| 1963 | 13 |
| 1964 | 7 |
| 1965 | 11 |
| 1966 | 2 |
| 1967 | 5 |
| 1970 | 1 |
| 1971 | 1 |
| 1972 | 2 |
| 1973 | 7 |
| 1974 | 151 |
| 1975 | 467 |
| 1976 | 570 |
| 1977 | 586 |
| 1978 | 671 |
| 1979 | 752 |
| 1980 | 700 |
| 1981 | 758 |
| 1982 | 715 |
| 1983 | 844 |
| 1984 | 965 |
| 1985 | 1051 |
| 1986 | 994 |
| 1987 | 1114 |
| 1988 | 1057 |
| 1989 | 1250 |
| 1990 | 1125 |
| 1991 | 1265 |
| 1992 | 973 |
| 1993 | 941 |
| 1994 | 1054 |
| 1995 | 1139 |
| 1996 | 1326 |
| 1997 | 1462 |
| 1998 | 1454 |
| 1999 | 1869 |
| 2000 | 2439 |
| 2001 | 4856 |
| 2002 | 5376 |
| 2003 | 5610 |
| 2004 | 6206 |
| 2005 | 7951 |
| 2006 | 8822 |
| 2007 | 9957 |
| 2008 | 9981 |
| 2009 | 10240 |
| 2010 | 10752 |
| 2011 | 12055 |
| 2012 | 12808 |
| 2013 | 13479 |
| 2014 | 14213 |
| 2015 | 14422 |
| 2016 | 15074 |
| 2017 | 14264 |
| 2018 | 15271 |
| 2019 | 17461 |
| 2020 | 19191 |
| 2021 | 21114 |
| 2022 | 24140 |
| 2023 | 19584 |
| 2024 | 18544 |
| 2025 | 12332 |
| 2026 | 4 |