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 380 45.8%
2 United States 173 20.8%
3 Netherlands 147 17.7%
4 Germany 59 7.1%
5 Canada 19 2.3%
6 Sweden 8 1%
7 Singapore 7 0.8%
8 Malaysia 6 0.7%
9 France 6 0.7%
10 Brazil 6 0.7%
11 Hong Kong 3 0.4%
12 India 3 0.4%
13 Taiwan 3 0.4%
14 Ukraine 2 0.2%
15 Mauritius 2 0.2%
16 Norway 2 0.2%
17 Romania 2 0.2%
18 Korea, Republic of 1 0.1%
19 Belgium 1 0.1%