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 174 47.7%
2 United States 123 33.7%
3 Germany 30 8.2%
4 Taiwan 6 1.6%
5 Malaysia 5 1.4%
6 Australia 4 1.1%
7 Canada 4 1.1%
8 Italy 3 0.8%
9 Japan 2 0.5%
10 Hong Kong 2 0.5%
11 Chile 2 0.5%
12 France 2 0.5%
13 Morocco 2 0.5%
14 Portugal 2 0.5%
15 Singapore 2 0.5%
16 South Africa 1 0.3%
17 Macao 1 0.3%