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 435 41.1%
2 United States 288 27.2%
3 Netherlands 107 10.1%
4 France 72 6.8%
5 Germany 38 3.6%
6 Hong Kong 31 2.9%
7 Canada 20 1.9%
8 Czech Republic 14 1.3%
9 India 9 0.9%
10 Singapore 7 0.7%
11 Korea, Republic of 7 0.7%
12 Malaysia 7 0.7%
13 Taiwan 6 0.6%
14 Ireland 5 0.5%
15 Australia 4 0.4%
16 Bahrain 2 0.2%
17 Denmark 2 0.2%
18 Japan 2 0.2%
19 Russia 2 0.2%