関連ワード:  number of data centers in the us    number of data centers in the us by year    number of data centers in the us over time    number of data centers in the us by state    number of hyperscale data centers in the us    number of ai data centers in the us    number of data centers under construction in the us    total number of data centers in usa    total number of data centers in the us    number of data centers in the world