BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 452 50.5%
2 United States 173 19.3%
3 Netherlands 115 12.8%
4 Germany 51 5.7%
5 Taiwan 27 3%
6 Canada 23 2.6%
7 Hong Kong 13 1.5%
8 Russia 9 1%
9 Korea, Republic of 8 0.9%
10 France 5 0.6%
11 India 4 0.4%
12 Australia 3 0.3%
13 Israel 2 0.2%
14 Japan 2 0.2%
15 New Zealand 2 0.2%
16 Norway 2 0.2%
17 Peru 1 0.1%
18 Nigeria 1 0.1%
19 Belgium 1 0.1%
20 Colombia 1 0.1%