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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1928 | 1 |
| 1951 | 1 |
| 1952 | 4 |
| 1953 | 8 |
| 1954 | 3 |
| 1955 | 3 |
| 1956 | 4 |
| 1957 | 7 |
| 1958 | 5 |
| 1959 | 6 |
| 1960 | 4 |
| 1961 | 3 |
| 1962 | 2 |
| 1965 | 1 |
| 1967 | 3 |
| 1968 | 5 |
| 1969 | 2 |
| 1970 | 3 |
| 1971 | 2 |
| 1972 | 3 |
| 1973 | 2 |
| 1974 | 17 |
| 1975 | 55 |
| 1976 | 54 |
| 1977 | 52 |
| 1978 | 73 |
| 1979 | 61 |
| 1980 | 61 |
| 1981 | 96 |
| 1982 | 97 |
| 1983 | 121 |
| 1984 | 132 |
| 1985 | 174 |
| 1986 | 231 |
| 1987 | 151 |
| 1988 | 193 |
| 1989 | 262 |
| 1990 | 283 |
| 1991 | 323 |
| 1992 | 349 |
| 1993 | 418 |
| 1994 | 436 |
| 1995 | 471 |
| 1996 | 512 |
| 1997 | 548 |
| 1998 | 574 |
| 1999 | 653 |
| 2000 | 674 |
| 2001 | 767 |
| 2002 | 830 |
| 2003 | 1008 |
| 2004 | 1009 |
| 2005 | 1138 |
| 2006 | 1274 |
| 2007 | 1442 |
| 2008 | 1511 |
| 2009 | 1555 |
| 2010 | 1621 |
| 2011 | 1720 |
| 2012 | 1882 |
| 2013 | 2033 |
| 2014 | 2178 |
| 2015 | 2362 |
| 2016 | 2352 |
| 2017 | 2438 |
| 2018 | 2645 |
| 2019 | 2675 |
| 2020 | 2930 |
| 2021 | 2976 |
| 2022 | 2711 |
| 2023 | 2421 |
| 2024 | 3107 |
| 2025 | 2757 |
| 2026 | 6 |