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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 1 |
| 1958 | 1 |
| 1962 | 1 |
| 1963 | 2 |
| 1964 | 2 |
| 1965 | 1 |
| 1967 | 2 |
| 1968 | 1 |
| 1969 | 1 |
| 1974 | 6 |
| 1975 | 72 |
| 1976 | 107 |
| 1977 | 123 |
| 1978 | 136 |
| 1979 | 213 |
| 1980 | 217 |
| 1981 | 225 |
| 1982 | 260 |
| 1983 | 290 |
| 1984 | 472 |
| 1985 | 576 |
| 1986 | 652 |
| 1987 | 685 |
| 1988 | 871 |
| 1989 | 1159 |
| 1990 | 1348 |
| 1991 | 1441 |
| 1992 | 1047 |
| 1993 | 489 |
| 1994 | 533 |
| 1995 | 531 |
| 1996 | 467 |
| 1997 | 651 |
| 1998 | 931 |
| 1999 | 1056 |
| 2000 | 1114 |
| 2001 | 1142 |
| 2002 | 1020 |
| 2003 | 1000 |
| 2004 | 1053 |
| 2005 | 1017 |
| 2006 | 1021 |
| 2007 | 1055 |
| 2008 | 1023 |
| 2009 | 939 |
| 2010 | 1058 |
| 2011 | 1227 |
| 2012 | 1183 |
| 2013 | 1118 |
| 2014 | 1022 |
| 2015 | 919 |
| 2016 | 889 |
| 2017 | 867 |
| 2018 | 782 |
| 2019 | 770 |
| 2020 | 760 |
| 2021 | 714 |
| 2022 | 464 |
| 2023 | 363 |
| 2024 | 116 |