2019	2018	2017	2016	2015	2014	2013	2012	2011 (Restated)	2010 (Restated)
Highlights   (Group)*
Number of connceted households (thousand)	20,920	18,523	16,221	14,147	12,326	10,605	9,275	7,785	6,815	5,619
Installed designed daily capacity for commercial/industrial customers (thousand m³)	124,709	106,553	87,901	71,182	58,608	50,243	41,864	33,423	25,767	18,175
Units of piped gas sold
Gas sold to Residential households ('000 m³)	3,349,423	2,889,578	2,153,314	1,821,136	1,490,416	1,225,825	1,030,054	930,290	824,276	640,597
Gas sold to Commercial/industrial customers ('000 m³)	15,336,363	13,228,550	10,934,583	7,966,280	7,001,499	6,676,785	5,538,164	4,345,314	3,591,898	2,765,488
Gas sold to Vehicles gas refuelling stations ('000 m³)	1,276,484	1,293,930	1,447,063	1,561,737	1,588,928	1,441,323	1,186,697	935,926	696,442	520,438
Wholesale of gas sales volume ('000 m³)	7,038,805	5,958,069	5,140,957	3,036,778	1,231,521	804,160	370,019	248,536	260,928	222,833
Length of existing pipelines(1) (km)	54,344	46,397	39,146	32,921	29,936	27,065	23,907	21,312	18,854	16,340
Number of existing natural gas processing stations	197	185	173	166	157	149	137	126	115	100
Daily capacity of existing natural gas processing stations (thousand m³)	147,802	123,640	104,370	84,910	80,198	73,617	58,088	46,176	32,003	23,970
Revenue & Profit   (RMB million)
Revenue	70,183	60,698	48,269	34,103	32,063	29,087	22,966	18,027	15,068	11,215
Profit before tax	8,841	5,601	5,190	4,195	4,027	4,747	2,760	2,852	2,327	1,811
Income tax expense	-1,980	-1,783	-1,517	-1,307	-1,306	-1,127	-960	-859	-660	-410
Profit for the year	6,861	3,818	3,673	2,888	2,721	3,620	1,800	1,993	1,667	1,401
Profit for the year attributable to  non-controlling interests	-1,191	-1,000	-871	-737	-685	-652	-548	-511	-414	-388
Profit for the year attributable to  owners of the Company	5,670	2,818	2,802	2,151	2,036	2,968	1,252	1,482	1,253	1,013
Dividends	1,688	1,172	952	775	705	709	414	362	315	297
Assets & Liabilities   (RMB million)
Non-current assets	54,581	45,706	36,155	32,487	30,328	23,715	21,006	18,137	15,517	12,712
Associates	3,308	3,049	1,505	1,350	1,024	882	804	798	694	488
Joint Ventures	3,841	3,620	3,929	3,704	3,810	3,436	2,998	2,271	1,733	1,361
Current assets	19,515	21,539	17,626	13,840	11,857	15,002	11,097	9,687	8,944	5,079
Current liabilities	-31,288	-33,017	-25,605	-18,341	-19,408	-13,540	-10,869	-11,614	-9,520	-7,489
Non-current liabilities	-18,937	-15,343	-13,393	-15,186	-11,516	-14,954	-13,144	-8,609	-8,528	-4,611
Net assets	31,020	25,554	20,217	17,854	16,095	14,541	11,892	10,670	8,840	7,540
Capital & Reserves   (RMB million)
Share Capital	116	116	112	112	113	113	113	113	110	110
Reserves	25,752	21,269	16,840	14,854	13,355	11,985	9,430	8,540	6,936	5,922
Equity attributable to owners of the Company	25,868	21,385	16,952	14,966	13,468	12,098	9,543	8,653	7,046	6,032
Non-controlling interests	5,152	4,169	3,265	2,888	2,627	2,443	2,349	2,017	1,794	1,508
	31,020	25,554	20,217	17,854	16,095	14,541	11,892	10,670	8,840	7,540
Earnings per share-basic (RMB)	5.05	2.56	2.59	1.99	1.88	2.74	1.16	1.39	1.19	0.97

⁽¹⁾ Length of existing pipelines consists of intermediate pipelines and main pipelines.

^* The Group's operation data included the data of its subsidiaries, joint ventures and associates.