appendix
alltooltrend1.gph
alltooltrend2.gph
alltooltrend3.gph
alltooltrend4.gph
figA1_treemap_mrkshare_202304.pdf
figA1_treemap_mrkshare_202404.pdf
figA2_alltool_trend12.pdf
figA2_alltool_trend34.pdf
figA3_claude_intensity_country_type.pdf
figA3_deepseek_intensity_country_type.pdf
figA3_gemini_intensity_country_type.pdf
figA3_grok_intensity_country_type.pdf
figA3_treemap_brazil.pdf
figA3_treemap_cn.pdf
figA3_treemap_france.pdf
figA3_treemap_germany.pdf
figA3_treemap_india.pdf
figA3_treemap_japan.pdf
figA3_treemap_uk.pdf
figA3_treemap_us.pdf
figA5_reltraffic_chatgpt_search_news.pdf
figA5_reltraffic_search_news.pdf
fig10_region_traffic_share_treemap.pdf
fig10_treemap_country.png
fig11a_traffic_iuser_income_group.pdf
fig11b_traffic_iuser_country.png
fig12_margin_decomp_income_group.pdf
fig13a_ChatGPT_usertrend_income_group.pdf
fig13b_traffic_iuser_share_income.pdf
fig14a_traffic_user_income_group.pdf
fig14b_avg_duration_income_group.pdf
fig15a_user_iuser_country.png
fig15b_traffic_user_country.png
fig16a_ChatGPT_intensity_iuser_gdp_scatter_2425.png
fig16b_ChatGPT_all_intensity_iuser_gdp_scatter_growth.png
fig17_region_share.pdf
fig1_treemap_202504.png
fig1_treemap_mrkshare_202504.pdf
fig2_total_visit_cat.pdf
fig3_chatgpt_trend.pdf
fig4_toolcomp_trafficTrend.pdf
fig5a_deepseek_trend.pdf
fig5b_gemini_trend.pdf
fig6_trend_cat.pdf
fig7a_ChatGPT_trend_income_group.pdf
fig7b_trend_GPT_income.pdf
fig8a_deepseek_trend_income_group.pdf
fig8b_trend_deepseek_income.pdf
fig9_trafficShare_trend_bycountry_GPT.pdf