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 260 65.8%
2 United States 71 18%
3 Germany 32 8.1%
4 Taiwan 13 3.3%
5 France 3 0.8%
6 Argentina 2 0.5%
7 Hong Kong 2 0.5%
8 Netherlands 2 0.5%
9 Norway 2 0.5%
10 Romania 2 0.5%
11 Singapore 2 0.5%
12 Macao 1 0.3%
13 Malaysia 1 0.3%
14 Mauritius 1 0.3%
15 Canada 1 0.3%