国家统计局：上半年消费品以旧换新政策持续显效，限额以上单位家用电器和音像器材类、文化办公用品类、通讯器材类、家具类商品零售额分别增长30.7%、25.4%、24.1%、22.9%。

Group 1 - The core viewpoint of the article highlights the effectiveness of the old-for-new consumption policy in driving retail growth in various categories of household appliances and related products [1] Group 2 - Retail sales of household appliances and audio-visual equipment increased by 30.7% [1] - Retail sales of cultural and office supplies grew by 25.4% [1] - Retail sales of communication equipment rose by 24.1% [1] - Retail sales of furniture items experienced a growth of 22.9% [1]