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 715 48.8%
2 United States 387 26.4%
3 Netherlands 142 9.7%
4 Germany 77 5.3%
5 France 40 2.7%
6 Korea, Republic of 20 1.4%
7 India 13 0.9%
8 Russia 13 0.9%
9 Canada 11 0.8%
10 Sweden 10 0.7%
11 Hong Kong 9 0.6%
12 Cote D'ivoire 8 0.5%
13 Philippines 3 0.2%
14 Japan 2 0.1%
15 Malaysia 2 0.1%
16 Australia 2 0.1%
17 Brazil 2 0.1%
18 Spain 2 0.1%
19 United Kingdom 2 0.1%
20 Ukraine 1 0.1%
21 Bulgaria 1 0.1%
22 Mauritius 1 0.1%
23 Moldova, Republic of 1 0.1%