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 95 38%
2 United States 70 28%
3 Netherlands 20 8%
4 France 10 4%
5 Sweden 8 3.2%
6 Korea, Republic of 6 2.4%
7 Hong Kong 6 2.4%
8 India 5 2%
9 Germany 5 2%
10 Mauritius 4 1.6%
11 Slovenia 4 1.6%
12 Russia 3 1.2%
13 Israel 3 1.2%
14 Finland 2 0.8%
15 Brazil 2 0.8%
16 Norway 2 0.8%
17 Ukraine 2 0.8%
18 Moldova, Republic of 1 0.4%
19 Switzerland 1 0.4%
20 Canada 1 0.4%