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 204 49.9%
2 United States 97 23.7%
3 Germany 45 11%
4 Netherlands 34 8.3%
5 Canada 12 2.9%
6 Hong Kong 6 1.5%
7 France 5 1.2%
8 Singapore 2 0.5%
9 Australia 1 0.2%
10 Moldova, Republic of 1 0.2%
11 Russia 1 0.2%
12 Saudi Arabia 1 0.2%