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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 5 |
| 1948 | 5 |
| 1949 | 3 |
| 1950 | 3 |
| 1951 | 3 |
| 1952 | 5 |
| 1953 | 8 |
| 1954 | 7 |
| 1955 | 5 |
| 1956 | 4 |
| 1957 | 6 |
| 1958 | 11 |
| 1959 | 11 |
| 1960 | 11 |
| 1961 | 13 |
| 1962 | 13 |
| 1963 | 19 |
| 1964 | 112 |
| 1965 | 175 |
| 1966 | 146 |
| 1967 | 306 |
| 1968 | 596 |
| 1969 | 1145 |
| 1970 | 1445 |
| 1971 | 1718 |
| 1972 | 1749 |
| 1973 | 1883 |
| 1974 | 2212 |
| 1975 | 1954 |
| 1976 | 1789 |
| 1977 | 1918 |
| 1978 | 1907 |
| 1979 | 2229 |
| 1980 | 2218 |
| 1981 | 2210 |
| 1982 | 2348 |
| 1983 | 2553 |
| 1984 | 2578 |
| 1985 | 2625 |
| 1986 | 2665 |
| 1987 | 2688 |
| 1988 | 2685 |
| 1989 | 2875 |
| 1990 | 2995 |
| 1991 | 3185 |
| 1992 | 3327 |
| 1993 | 3469 |
| 1994 | 3304 |
| 1995 | 3175 |
| 1996 | 3079 |
| 1997 | 3037 |
| 1998 | 3166 |
| 1999 | 3182 |
| 2000 | 3267 |
| 2001 | 3267 |
| 2002 | 3200 |
| 2003 | 3460 |
| 2004 | 3500 |
| 2005 | 3982 |
| 2006 | 3974 |
| 2007 | 4113 |
| 2008 | 4220 |
| 2009 | 4412 |
| 2010 | 4468 |
| 2011 | 4641 |
| 2012 | 5111 |
| 2013 | 5044 |
| 2014 | 5062 |
| 2015 | 4806 |
| 2016 | 4467 |
| 2017 | 4350 |
| 2018 | 4255 |
| 2019 | 4272 |
| 2020 | 4988 |
| 2021 | 5669 |
| 2022 | 5794 |
| 2023 | 4534 |
| 2024 | 4262 |
| 2025 | 3566 |
| 2026 | 14 |