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 199 54.1%
2 United States 73 19.8%
3 Germany 35 9.5%
4 Hong Kong 20 5.4%
5 Taiwan 15 4.1%
6 Singapore 8 2.2%
7 Canada 6 1.6%
8 Korea, Republic of 5 1.4%
9 Malaysia 2 0.5%
10 France 2 0.5%
11 Australia 1 0.3%
12 Russia 1 0.3%
13 Saudi Arabia 1 0.3%