Key features of data collection divided by year
| 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total count on Google Scholar (all languages) | 33 | 84 | 208 | 292 | 428 | 520 | 775 | 936 | 1,150 | 1,290 | 1,390 | 1,480 | 1,620 | 1,470 | 1,420 | 13,096 |
| Number of contributions citing Vargo and Lusch (2004) in English | 26 | 69 | 191 | 247 | 354 | 415 | 616 | 752 | 875 | 963 | 1,030 | 1,120 | 1,180 | 1,140 | 1,110 | 10,088 |
| Verified count (based on last page number listed) | 26 | 77 | 200 | 250 | 360 | 450 | 620 | 760 | 878 | 969 | 1,005 | 996 | 998 | 999 | 999 | 9,587 |
| Discrepancy in Google Scholar counter | 0 | 8 | 9 | 3 | 6 | 35 | 4 | 8 | 3 | 6 | −25 | −124 | −182 | −141 | −111 | −390 |
| Number of relevant contributions identified according to the criteria | 12 | 44 | 132 | 151 | 216 | 287 | 332 | 341 | 448 | 459 | 427 | 512 | 626 | 507 | 512 | 5,006 |
| Number of accessed contributions | 10 | 42 | 132 | 135 | 182 | 261 | 326 | 326 | 408 | 456 | 401 | 501 | 566 | 474 | 472 | 4,692 |
| Number of accessed contributions actually citing Vargo and Lusch (2004) | 10 | 41 | 124 | 134 | 182 | 233 | 320 | 318 | 403 | 448 | 401 | 498 | 564 | 466 | 470 | 4,612 |
| % of accessed contributions actually citing Vargo and Lusch (2004) over total number according to Google Scholar | 38.46% | 59.42% | 64.92% | 54.25% | 51.41% | 56.14% | 51.95% | 42.29% | 46.06% | 46.52% | 38.93% | 44.46% | 47.80% | 40.88% | 42.34% | 45.72% |
| Number of contributions with restricted access | 2 | 2 | 0 | 16 | 34 | 26 | 6 | 15 | 40 | 3 | 26 | 11 | 60 | 33 | 40 | 314 |
| Percentage of contributions with restricted access in relation to the number of contributions identified according to the criteria | 16.67% | 4.55% | 0.00% | 10.60% | 15.74% | 9.06% | 1.81% | 4.40% | 8.93% | 0.65% | 6.09% | 2.15% | 9.58% | 6.51% | 7.81% | 6.27% |
| 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total count on Google Scholar (all languages) | 33 | 84 | 208 | 292 | 428 | 520 | 775 | 936 | 1,150 | 1,290 | 1,390 | 1,480 | 1,620 | 1,470 | 1,420 | 13,096 |
| Number of contributions citing | 26 | 69 | 191 | 247 | 354 | 415 | 616 | 752 | 875 | 963 | 1,030 | 1,120 | 1,180 | 1,140 | 1,110 | 10,088 |
| Verified count (based on last page number listed) | 26 | 77 | 200 | 250 | 360 | 450 | 620 | 760 | 878 | 969 | 1,005 | 996 | 998 | 999 | 999 | 9,587 |
| Discrepancy in Google Scholar counter | 0 | 8 | 9 | 3 | 6 | 35 | 4 | 8 | 3 | 6 | −25 | −124 | −182 | −141 | −111 | −390 |
| Number of relevant contributions identified according to the criteria | 12 | 44 | 132 | 151 | 216 | 287 | 332 | 341 | 448 | 459 | 427 | 512 | 626 | 507 | 512 | 5,006 |
| Number of accessed contributions | 10 | 42 | 132 | 135 | 182 | 261 | 326 | 326 | 408 | 456 | 401 | 501 | 566 | 474 | 472 | 4,692 |
| Number of accessed contributions actually citing | 10 | 41 | 124 | 134 | 182 | 233 | 320 | 318 | 403 | 448 | 401 | 498 | 564 | 466 | 470 | 4,612 |
| % of accessed contributions actually citing | 38.46% | 59.42% | 64.92% | 54.25% | 51.41% | 56.14% | 51.95% | 42.29% | 46.06% | 46.52% | 38.93% | 44.46% | 47.80% | 40.88% | 42.34% | 45.72% |
| Number of contributions with restricted access | 2 | 2 | 0 | 16 | 34 | 26 | 6 | 15 | 40 | 3 | 26 | 11 | 60 | 33 | 40 | 314 |
| Percentage of contributions with restricted access in relation to the number of contributions identified according to the criteria | 16.67% | 4.55% | 0.00% | 10.60% | 15.74% | 9.06% | 1.81% | 4.40% | 8.93% | 0.65% | 6.09% | 2.15% | 9.58% | 6.51% | 7.81% | 6.27% |
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