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 151 57.6%
2 United States 48 18.3%
3 Germany 40 15.3%
4 Taiwan 4 1.5%
5 United Kingdom 4 1.5%
6 South Africa 3 1.1%
7 Japan 2 0.8%
8 Moldova, Republic of 2 0.8%
9 New Zealand 2 0.8%
10 Canada 2 0.8%
11 Chile 2 0.8%
12 France 1 0.4%
13 Belgium 1 0.4%