BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 148 62.7%
2 United States 52 22%
3 Canada 9 3.8%
4 Russia 6 2.5%
5 Germany 5 2.1%
6 Netherlands 4 1.7%
7 Singapore 3 1.3%
8 Romania 2 0.8%
9 Moldova, Republic of 2 0.8%
10 2 0.8%
11 Czech Republic 2 0.8%
12 Finland 1 0.4%