year
|
type
|
obsValue
|
2018
|
total
|
636493
|
2017
|
total
|
657734
|
2016
|
total
|
757839
|
2015
|
total
|
768361
|
2014
|
total
|
779251
|
2013
|
total
|
754106
|
2012
|
total
|
779851
|
2018
|
server cooling
|
48146
|
2017
|
server cooling
|
65304
|
2016
|
server cooling
|
59478
|
2015
|
server cooling
|
96259
|
2014
|
server cooling
|
105179
|
2013
|
server cooling
|
93040
|
2012
|
server cooling
|
93427
|
2018
|
server room
|
193333
|
2017
|
server room
|
224283
|
2016
|
server room
|
271749
|
2015
|
server room
|
265330
|
2014
|
server room
|
276216
|
2013
|
server room
|
264860
|
2012
|
server room
|
260231
|
2017
|
staff
|
395014
|
2017
|
staff
|
419702
|
2016
|
staff
|
426612
|
2015
|
staff
|
406772
|
2014
|
staff
|
397856
|
2013
|
staff
|
396206
|
2012
|
staff
|
426193
|