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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1949 | 1 |
| 1951 | 1 |
| 1956 | 1 |
| 1957 | 4 |
| 1958 | 3 |
| 1959 | 4 |
| 1960 | 3 |
| 1961 | 3 |
| 1962 | 1 |
| 1963 | 9 |
| 1964 | 10 |
| 1965 | 18 |
| 1966 | 6 |
| 1967 | 13 |
| 1968 | 10 |
| 1969 | 13 |
| 1970 | 14 |
| 1971 | 14 |
| 1972 | 9 |
| 1973 | 27 |
| 1974 | 21 |
| 1975 | 52 |
| 1976 | 71 |
| 1977 | 55 |
| 1978 | 51 |
| 1979 | 56 |
| 1980 | 63 |
| 1981 | 80 |
| 1982 | 81 |
| 1983 | 97 |
| 1984 | 91 |
| 1985 | 96 |
| 1986 | 100 |
| 1987 | 84 |
| 1988 | 126 |
| 1989 | 135 |
| 1990 | 154 |
| 1991 | 168 |
| 1992 | 172 |
| 1993 | 183 |
| 1994 | 217 |
| 1995 | 260 |
| 1996 | 242 |
| 1997 | 266 |
| 1998 | 296 |
| 1999 | 263 |
| 2000 | 281 |
| 2001 | 286 |
| 2002 | 289 |
| 2003 | 311 |
| 2004 | 390 |
| 2005 | 399 |
| 2006 | 456 |
| 2007 | 462 |
| 2008 | 526 |
| 2009 | 514 |
| 2010 | 584 |
| 2011 | 647 |
| 2012 | 770 |
| 2013 | 893 |
| 2014 | 964 |
| 2015 | 954 |
| 2016 | 922 |
| 2017 | 1019 |
| 2018 | 1135 |
| 2019 | 1262 |
| 2020 | 1502 |
| 2021 | 1658 |
| 2022 | 1691 |
| 2023 | 1391 |
| 2024 | 1416 |
| 2025 | 1545 |
| 2026 | 356 |