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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1928 | 1 |
| 1946 | 1 |
| 1947 | 2 |
| 1948 | 3 |
| 1949 | 2 |
| 1950 | 1 |
| 1951 | 2 |
| 1952 | 1 |
| 1956 | 4 |
| 1957 | 3 |
| 1958 | 3 |
| 1959 | 7 |
| 1961 | 2 |
| 1962 | 3 |
| 1963 | 7 |
| 1964 | 13 |
| 1965 | 14 |
| 1966 | 4 |
| 1967 | 6 |
| 1968 | 9 |
| 1969 | 5 |
| 1970 | 15 |
| 1971 | 20 |
| 1972 | 34 |
| 1973 | 28 |
| 1974 | 40 |
| 1975 | 44 |
| 1976 | 29 |
| 1977 | 40 |
| 1978 | 34 |
| 1979 | 42 |
| 1980 | 63 |
| 1981 | 64 |
| 1982 | 77 |
| 1983 | 75 |
| 1984 | 86 |
| 1985 | 118 |
| 1986 | 134 |
| 1987 | 131 |
| 1988 | 146 |
| 1989 | 174 |
| 1990 | 203 |
| 1991 | 172 |
| 1992 | 228 |
| 1993 | 253 |
| 1994 | 301 |
| 1995 | 308 |
| 1996 | 381 |
| 1997 | 393 |
| 1998 | 388 |
| 1999 | 415 |
| 2000 | 508 |
| 2001 | 590 |
| 2002 | 677 |
| 2003 | 766 |
| 2004 | 963 |
| 2005 | 1171 |
| 2006 | 1329 |
| 2007 | 1525 |
| 2008 | 1636 |
| 2009 | 1784 |
| 2010 | 2056 |
| 2011 | 2412 |
| 2012 | 2684 |
| 2013 | 3074 |
| 2014 | 3345 |
| 2015 | 3895 |
| 2016 | 4168 |
| 2017 | 4538 |
| 2018 | 5066 |
| 2019 | 5837 |
| 2020 | 7044 |
| 2021 | 8028 |
| 2022 | 9339 |
| 2023 | 4404 |