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 413 42.3%
2 United States 237 24.3%
3 Netherlands 147 15%
4 Germany 68 7%
5 France 27 2.8%
6 Canada 20 2%
7 Czech Republic 16 1.6%
8 Hong Kong 9 0.9%
9 Russia 8 0.8%
10 India 6 0.6%
11 Mexico 5 0.5%
12 Singapore 4 0.4%
13 Japan 3 0.3%
14 Australia 3 0.3%
15 Belgium 2 0.2%
16 Korea, Republic of 2 0.2%
17 Macao 2 0.2%
18 Malaysia 1 0.1%
19 Spain 1 0.1%
20 Taiwan 1 0.1%
21 United Kingdom 1 0.1%
22 Norway 1 0.1%