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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1938 | 1 |
| 1945 | 1 |
| 1947 | 3 |
| 1948 | 3 |
| 1949 | 1 |
| 1950 | 7 |
| 1951 | 2 |
| 1952 | 2 |
| 1953 | 2 |
| 1954 | 2 |
| 1955 | 1 |
| 1956 | 3 |
| 1957 | 6 |
| 1959 | 7 |
| 1960 | 4 |
| 1961 | 4 |
| 1962 | 10 |
| 1963 | 4 |
| 1964 | 9 |
| 1965 | 7 |
| 1966 | 10 |
| 1967 | 15 |
| 1968 | 16 |
| 1969 | 14 |
| 1970 | 22 |
| 1971 | 20 |
| 1972 | 21 |
| 1973 | 28 |
| 1974 | 32 |
| 1975 | 37 |
| 1976 | 41 |
| 1977 | 34 |
| 1978 | 35 |
| 1979 | 35 |
| 1980 | 52 |
| 1981 | 40 |
| 1982 | 54 |
| 1983 | 64 |
| 1984 | 70 |
| 1985 | 96 |
| 1986 | 116 |
| 1987 | 129 |
| 1988 | 154 |
| 1989 | 188 |
| 1990 | 185 |
| 1991 | 197 |
| 1992 | 237 |
| 1993 | 257 |
| 1994 | 268 |
| 1995 | 307 |
| 1996 | 308 |
| 1997 | 328 |
| 1998 | 384 |
| 1999 | 459 |
| 2000 | 543 |
| 2001 | 630 |
| 2002 | 714 |
| 2003 | 854 |
| 2004 | 994 |
| 2005 | 1251 |
| 2006 | 1376 |
| 2007 | 1496 |
| 2008 | 1814 |
| 2009 | 2094 |
| 2010 | 2411 |
| 2011 | 2823 |
| 2012 | 3165 |
| 2013 | 3438 |
| 2014 | 3473 |
| 2015 | 3661 |
| 2016 | 3703 |
| 2017 | 3754 |
| 2018 | 3959 |
| 2019 | 4083 |
| 2020 | 4465 |
| 2021 | 4792 |
| 2022 | 4498 |
| 2023 | 4222 |
| 2024 | 4284 |
| 2025 | 4759 |
| 2026 | 2487 |