注：发明（专利）指对产品、方法或者其改进所提出的新的技术方案。是国际通行的反映拥有自主知识产权技术的核心指标。
| 序号 |
时间(年) |
数据(单位：项) |
同比增长(%) |
| 1 |
2025 |
|
|
| 2 |
2024 |
|
|
| 3 |
2023 |
|
|
| 4 |
2022 |
|
|
| 5 |
2021 |
|
|
| 6 |
2020 |
|
|
| 7 |
2019 |
2300.00 |
0.70 |
| 8 |
2018 |
2284.00 |
-4.11 |
| 9 |
2017 |
2382.00 |
-1.20 |
| 10 |
2016 |
2411.00 |
-0.86 |
| 11 |
2015 |
2432.00 |
56.00 |
| 12 |
2014 |
1559.00 |
17.04 |
| 13 |
2013 |
1332.00 |
2.70 |
| 14 |
2012 |
1297.00 |
16.43 |
| 15 |
2011 |
1114.00 |
50.74 |
| 16 |
2010 |
739.00 |
22.55 |
| 17 |
2009 |
603.00 |
43.57 |
| 18 |
2008 |
420.00 |
36.81 |
| 19 |
2007 |
307.00 |
-2.23 |
| 20 |
2006 |
314.00 |
12.14 |
| 21 |
2005 |
280.00 |
-5.08 |
| 22 |
2004 |
295.00 |
6.88 |
| 23 |
2003 |
276.00 |
71.43 |
| 24 |
2002 |
161.00 |
21.97 |
| 25 |
2001 |
132.00 |
-23.70 |
| 26 |
2000 |
173.00 |
98.85 |
| 27 |
1999 |
87.00 |
112.20 |
| 28 |
1998 |
41.00 |
20.59 |
| 29 |
1997 |
34.00 |
-24.44 |
| 30 |
1996 |
45.00 |
-4.26 |
| 31 |
1995 |
47.00 |
34.29 |
| 32 |
1994 |
35.00 |
-33.96 |
| 33 |
1993 |
53.00 |
82.76 |
| 34 |
1992 |
29.00 |
-12.12 |
| 35 |
1991 |
33.00 |
37.50 |
| 36 |
1990 |
24.00 |
41.18 |
| 37 |
1989 |
17.00 |
88.89 |
| 38 |
1988 |
9.00 |
12.50 |
| 39 |
1987 |
8.00 |
-- |
