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 242 67%
2 United States 52 14.4%
3 Germany 32 8.9%
4 France 7 1.9%
5 Taiwan 7 1.9%
6 Singapore 5 1.4%
7 Hong Kong 4 1.1%
8 Japan 4 1.1%
9 Australia 3 0.8%
10 Sweden 2 0.6%
11 Chile 1 0.3%
12 New Zealand 1 0.3%
13 Russia 1 0.3%