공  단

관리원

협  회

계

수직순환식

262

(4.38%)

330

(4.63%)

468

(6.37%)

1,060

(5.18%)

수평순환식

51

(0.85%)

37

(0.52%)

31

(0.42%)

119

(0.58%)

다층순환식

684

(11.42%)

644

(9.04%)

615

(8.37%)

1,943

(9.50%)

2단식

4,007

(66.92%)

5,045

(70.86%)

4,913

(66.83%)

13,965

(68.26%)

다단식

550

(9.19%)

619

(8.69%)

627

(8.53%)

1,796

(8.78%)

승강기식

336

(5.61%)

364

(5.11%)

591

(8.04%)

1,291

(6.31%)

승강기슬라이드식

15

(0.25%)

12

(0.17%)

35

(0.48%)

62

(0.30%)

평면왕복식

83

(1.39%)

69

(0.97%)

71

(0.97%)

223

(1.09%)

계

5,988

(29.27%)

7,120

(34.80%)

7,351

(35.93%)

20,459

(100%)